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**Angles – Polygons on GMAT**

This video explains all the properties of angles in different polygons. This also explains the concept of total sum of internal and external angles in different polygons as per their number of sides. The concept is helpful for the GMAT quantitative section.

- How to Attempt Sentence Correction on GMAT
- “Do it” Versus “Do so” on GMAT
- “If” Versus “Whether” on GMAT
- “Like” Versus “As” on GMAT
- “Comparative” Versus “Superlative” Form on GMAT
- “Phrase Comma Subject” and “Subject Comma Phrase” on GMAT
- Independent and Dependent Clauses on GMAT
- Types of Phrases on GMAT
- Infinitive vs present participle on GMAT
- Extra Information Between two Commas on GMAT
- Usage of Period and Semicolon on GMAT
- Usage of Pair of Commas on GMAT
- Oxford Comma on GMAT
- Usage of Comma on GMAT
- Usage of Colon on GMAT
- Dash and Pair of Dashes on GMAT
- Comma Splices and Run-ons on GMAT
- All punctuations on GMAT SC
- Comma plus present participle for cause effect relationship
- Appositives on GMAT
- Use of Which, Who, Whose, Where on GMAT
- Can “Whose” be Used for Things or Objects on GMAT
- “Which” Versus “That” on GMAT
- A Rare Case when “That” is Preceded by “Comma” on GMAT
- “And” Versus Other Conjunctions on GMAT
- Subjunctive Mood on GMAT
- Collective, Countables, Uncountable Nouns on GMAT
- Indefinite Pronouns on GMAT
- Many, Any, None, All, Some on GMAT
- “Either-Or” and “Neither-Nor” on GMAT
- An Exception in the Usage of “Each” on GMAT
- Avoiding Pronoun Ambiguity on GMAT
- Exceptions to Pronoun Ambiguity on GMAT
- “Who” Versus “Whom” on GMAT
- A Simple Approach for 12 Different Tenses on GMAT
- Simple Tenses on GMAT
- Simple Continuous Tenses on GMAT
- Present Perfect Tense on GMAT
- Present Perfect Continuous Tense on GMAT
- Past Perfect Tense – Use of “Had” on GMAT
- Use of two “Hads” simultaneously on GMAT
- “Future Perfect” and “Future Perfect Continuous” Tenses on GMAT
- Perfect Continuous Tenses on GMAT
- 3 Key Subjunctive Structures on GMAT
- Use of “Considered” and “Regarded As” on GMAT
- “Because” versus “In That” on GMAT
- Use of “So As To” on GMAT
- Use of “Modeled” on GMAT
- Use of “Native” on GMAT
- “Compared with” Versus “Compared to” on GMAT
- “Agree with” versus “Agree to” on GMAT
- Use of “Distinguish” on GMAT
- Use of “Being” on GMAT
- Where Versus When on GMAT
- Although, Though, Despite, and While on GMAT
- There Is and There Are on GMAT
- Between Vs Among on GMAT
- Usage of “Forbid” on GMAT
- Approach for DS Questions on GMAT
- 1 of 5 – Common Mistakes in GMAT Data Sufficiency
- 2 of 5 – Common Mistakes in GMAT Data Sufficiency
- 3 of 5 – Common Mistakes in GMAT Data Sufficiency
- 4 of 5 – Common Mistakes in GMAT Data Sufficiency
- 5 of 5 – Common Mistakes in GMAT Data Sufficiency
- Classification of Numbers on GMAT
- Some Exceptions on Integers on GMAT
- Even and Odd Integers on GMAT
- Finding Units Digit of a Huge Multiplication on GMAT
- How to Find Last Digits of Large Powers and Exponents on GMAT
- Finding the Number of Factors on GMAT
- Finding the Highest Power in a Factorial on GMAT
- Terminating Fractions on GMAT
- How to Find Remainder for a Huge Product on GMAT
- Finding Remainder for a Large Exponent on GMAT
- The Most Favorite Remainder Question Type on GMAT
- An Important Surds and Indices Question Type on GMAT
- Another Important Surds and Indices Question Type on GMAT
- Sets – Two Elements on GMAT
- Sets – Three Elements on GMAT
- A Smart Approach to Percentage Increase and Decrease on GMAT
- Taking Base as 100 in Percentage Questions on GMAT
- Mixtures – Two Elements on GMAT
- Mixtures – Three or More Elements on GMAT
- Alligation – When and How to Use on GMAT
- Application of Alligation on a Question on GMAT
- A Key Concept on Proportion on GMAT
- The Concept of “Variation” or “Proportionality” on GMAT
- Basics of “Profit and Loss” on GMAT
- Basics of “Interest” on GMAT
- Arithmetic Mean or Average on GMAT
- Mode on GMAT
- Median on GMAT
- Standard Deviation on GMAT
- “Range” and “Variation” on GMAT
- Avoid Multiple Variables to Save Time on GMAT
- Solving a Quadratic Equation by Factorization on GMAT
- Inequations – Based on Modulus on GMAT
- Inequations – Based on Factorization on GMAT
- Inequations – Based on Signs on GMAT
- Inequations – Based on -1 to 1 on GMAT
- May be true and Must be true questions on GMAT
- Work – When we can Assume Total Work as 1 on GMAT
- Work – When Total Work is Defined on GMAT
- Average Speed on GMAT
- Relative Speed on GMAT
- Angles – Lines on GMAT
- Angles – Triangles on GMAT
- Angles – Polygons on GMAT
- Basic Properties of Triangles for GMAT
- Basic Properties of Quadrilaterals for GMAT
- Basic Properties of Isosceles, Equilateral, and Right Triangles on GMAT
- Basic Properties of Circles on GMAT
- Basic Properties of Congruent and Similar Triangles on GMAT
- GMAT’s Favorite Right Triangles
- An Interesting Question Type on Triangles for GMAT
- Another Important Question Type on Triangles for GMAT
- Area of Overlapping Regions I for GMAT
- Area of Overlapping Regions II for GMAT
- Difference Between Prism and Pyramid on GMAT
- How to Find “Curved Surface” Area of any Solid on GMAT
- How to Find “Total Surface” Area of any Solid on GMAT
- How to Find the “Volume” of any Solid on GMAT
- Properties of Sphere and Hemisphere on GMAT
- An Important Concept on Solids on GMAT
- The Coordinate Axis – A Primer for GMAT
- The Distance Between two Coordinates on GMAT
- Equation of a Line on GMAT
- Parallel and Perpendicular Lines on Coordinate Axis on GMAT
- Slope of a Straight Line on GMAT
- Equation of Circle on Coordinate Axis on GMAT
- Length of Perpendicular on Coordinate Axis on GMAT
- A Basic Approach Towards Counting the Arrangements on GMAT
- Difference Between “Permutations” and “Combinations” on GMAT
- Permutations and Combinations Formula on GMAT
- Applying the Permutations and Combinations Formula on GMAT
- Relationship Between Permutations and Combinations on GMAT
- An Explanatory Permutations Example for GMAT
- An Explanatory Combinations Example for GMAT
- Circular Arrangements for GMAT
- Repetitive Arrangements for GMAT
- Distributive Arrangements for GMAT
- Teaming on GMAT
- Derangements on GMAT
- What is Probability on GMAT?
- A Logical Probability Example for GMAT
- Another Logical Example on Probability for GMAT
- A Probability Example Based on Set Theory on GMAT
- An Explanatory Example on PnC Based Probability Questions on GMAT
- Basics of Conditional Probability on GMAT
- Areal Probability on GMAT
- Basics of Functions on GMAT
- Commonly Asked Functions on GMAT
- A Commonly Asked Functions Question Type on GMAT
- Another Commonly Asked Functions Question on GMAT
- Arithmetic Progression for GMAT
- Basics of Geometric Progression for GMAT
- Sum of First ‘n’ Positive Integers, Squares, Cubes etc on GMAT
- How to Attempt Reading Comprehensions on GMAT
- How to Attempt Critical Reasoning- The “Missing-Link” Approach on GMAT
- Choices Generally Incorrect on GMAT Critical Reasoning
- Ten Main Question Types on Critical Reasoning on GMAT
- Characteristics of a Correct Assumption on GMAT CR
- Difference Between “Strengthening” and “Assumption” Statement on GMAT CR
- Assumption Negation Test on GMAT Critical Reasoning
- Characteristics of a Strengthening Statement on GMAT Critical Reasoning
- Characteristics of a Weakening Statement on GMAT Critical Reasoning
- Characteristics of an Explanation Statement on GMAT Critical Reasoning
- Beware When you see Numbers in GMAT Critical Reasoning
- Characteristics of an Evaluation Statement on GMAT Critical Reasoning
- Characteristics of an Inference Statement on GMAT Critical Reasoning
- Characteristics of a Conclusion Statement on GMAT Critical Reasoning
- Characteristics of a Para-completion Statement on GMAT Critical Reasoning
- Strategy for Solving Boldface Questions on GMAT Critical Reasoning
- Frequently Used Vocabulary in Boldface Questions on GMAT CR
- Key Points for Boldface Questions on GMAT
- Vocabulary Test 1 for Boldface Questions on GMAT Critical Reasoning
- Vocabulary Test 2 for Boldface Questions on GMAT Critical Reasoning
- Vocabulary Test 3 for Boldface Questions on GMAT Critical Reasoning
- Vocabulary Test 4 for Boldface Questions on GMAT Critical Reasoning
- Vocabulary Test 5 for Boldface Questions on GMAT Critical Reasoning
- A Note on Dialogue Based CR Questions on GMAT Critical Reasoning
- Confusing possibility with necessity on GMAT Critical Reasoning
- Finding the Flaw in Reasoning on GMAT Critical Reasoning
- Circular Reasoning on GMAT Critical Reasoning
- Confusing necessity with sufficiency on GMAT Critical Reasoning
- Comparing one with oneself on GMAT Critical Reasoning
- Generalization on GMAT Critical Reasoning
- Similar Reasoning Questions on GMAT Critical Reasoning
- Comparing percentage with absolute numbers on GMAT Critical Reasoning
- Assuming that bases are same on GMAT Critical Reasoning
- Incorrect Analogy on GMAT Critical Reasoning
- Missing the main point on GMAT Critical Reasoning
- Determining the method of reasoning deployed on GMAT Critical Reasoning
- Confusing Cause with Effect on GMAT Critical Reasoning
- Confusing Correlation with Causation on GMAT Critical Reasoning
- Confusing sufficiency with necessity on GMAT Critical Reasoning
- Impressed by numbers on GMAT Critical Reasoning
- Confusing between subsets and supersets on GMAT Critical Reasoning
- Common Errors in AWA Reasoning on GMAT
- An Effective Structure for AWA Argument on GMAT
- Sample Template for AWA Argument on GMAT
- Time Management for AWA on GMAT
- Typical Week of your Preparation on GMAT
- Importance of One Full Length Test per Week on GMAT Prep
- GMAT Myths you Must Laugh Away
- Correct Mindset for the Test on GMAT
- When the Real GMAT Feels Different from the Prep Done…
- Utilizing the Breaks during the GMAT
- When you are Stuck on a Question on GMAT
- Test Taking Tips on GMAT
- When you run short of time on GMAT…
- How to Guess an Answer Choice Better on GMAT
- Final Tips Before the GMAT