Drawing diagrams accurately in GMAT Geometry questions will allow you to capture the essential information from the Question. It’s not always easy. Here is a hands-on Experience for you: Draw the diagram as your read the question(below) and then go through the analysis.
Rhombus ABCD below is divided into three areas with AGH = 1/3rd Area of ABCD, ECF = 1/5th Area of ABCD. What is the ratio of Area (AGH) to CD, given that AC=12 and BD =16?
a) 10/3
b) 11/3
c) 13/3
d) 17/3
e) 19/3
Find the answer
Let us try to tackle the problem of Special Right Triangles and Pythagorean Triplets, today. The theory will be followed by suitable examples for special right triangles. For the figure given above, the hypotenuse is ‘c’, the base is ‘b’ and the perpendicular or height is ‘a’. As proposed by Pythagoras, the sum of square of sides adjacent to right angle is equal to the square of the third side, better known as the hypotenuse. Putting these words into equation form, we see:
a^2+ b^2=c^2
Two major takeaways from Pythagoras theorem are:
a) It is applicable only to right angled triangles
b) The choice of base and perpendicular is irrelevant as far as the two sides adjacent to the right angled triangle are named.
Let us quickly see one application of Pythagorean Theorem before moving on to Special Right Triangles
Ashley and Bill simultaneously begin traveling around a circular road. Both start from the same point. Ashley travels counterclockwise and Bill travels clockwise. The two first meet after Ashley travels 40 miles per hour for 2.5 hours and Bill travels 6.4 miles per hour for 4 hours. What is the approximate diameter of the circular road (in miles)? Use 3.14 for ?.
A. 20
B. 40
C. 46.4
D. 116
E. 125.6
Answer
Essential GMAT Reading Comprehension Guide (2023 Edition)
Collecting and Interpreting Facts: GMAT Reading Comprehension
Effective Note-taking for GMAT Reading Comprehension
5 Questions to Speed up Summary Creation
Mastering GMAT Reading Comprehension: 3 Best Practices
How to Remember Information
How to improve comprehension by Questioning the Author
How to Read Faster
How to Answer GMAT Reading Comprehension Title question
How to Answer GMAT Reading Comprehension Main Idea Question
How to Answer GMAT Reading comprehension inference question
How to Answer GMAT Reading Comprehension Purpose Question
How to Answer GMAT Reading Comprehension Detail Question
How to Answer the GMAT organization of passage Question
How to Improve GMAT Reading Comprehension Score?
Passage #1: Protein-Rich Diet Passage #2: Pregnant Women and Stress Management
Passage #3: F Losing Momentum
Passage #4: Conservatives and Automation
Passage #5: Collaboration, Team size and Performance
Passage #6: Effective Altruism
Passage #7: Loneliness Epidemic
Passage #8: Space Exploration
Passage #9: Lab-Grown Meat
Passage #10: Minimum Wage in the US
Passage #11: AI and Creativity
Passage #12: Bias Against Healthcare in Developing Economies
Passage #13: Legacy Admissions
Passage #14: Plastic Ban and alternatives
Passage #15: Underestimating Homo Sapiens
Passage #16: Conspiracy Theories
Passage #17: Relative Poverty
Passage #18: Why Paintings are expensive
Passage #19: US Obesity Epidemics
Passage #20: The Future of Advertising
Passage #21: Breaking Large Companies
Passage #22: Helicopter Parenting
Passage #23: Future of Democracy
Passage #24: Technology and Global Citizenship
Passage #25: Morality and Investment
Answers: 157 to 294
Pages: 295
Questions: 100+
Download F1GMAT's Essential GMAT Reading Comprehension Guide (2023 Edition)
Mastering GMAT Critical Reasoning (2023 Edition)
1) Introduction
2) 6 Step Strategy to solve GMAT Critical Reasoning Questions
3) How to overcome flawed thinking in GMAT Critical Reasoning?
4) 4 GMAT Critical Reasoning Fallacies
5) Generalization in GMAT Critical Reasoning
6) Inconsistencies in Arguments
7) Eliminate Out of Scope answer choices using Necessary and Sufficient Conditions
8) Ad Hominem in GMAT Critical Reasoning
9) Slippery Slope in GMAT Critical Reasoning
10) Affirming the Consequent – GMAT Critical Reasoning
11) How to Paraphrase GMAT Critical Reasoning Question
12) How to Answer Assumption Question Type
13) How to Answer Conclusion Question Type
14) How to Answer Inference Question Type
15) How to Answer Strengthen Question Type
16) How to Answer Weaken Question Type
17) How to Answer bold-faced and Summary Question Types
18) How to Answer Parallel Reasoning Questions
19) How to Answer the Fill in the Blanks Question
Question Bank
Question 1: 5G Technology (Inference)
Question 2: Water Purifier vs. Minerals (Fill in the Blanks)
Question 3: Opioid Abuse (Strengthens)
Question 4: Abe and Japan’s Economy (Inference)
Question 5: Indians and Pulse Import (Weakens)
Question 6: Retail Chains in Latin America (Assumption)
Question 7: American Tax Rates – Republican vs. Democrats (Inference)
Question 8: AI – China vs the US (Weakens)
Question 9: Phone Snooping (Strengthens)
Question 10: Traditional Lawns (Assumption)
Question 11: Appraisal-Tendency Framework (Inference)
Question 12: Meta-Analysis of Diet Trials (Weakens)
Question 13: Biases in AI (Strengthens)
Question 14: Stock Price and Effectiveness of Leadership (Inference)
Question 15: US Border Wall (Weakens)
Question 16: Driverless Car and Pollution (Assumption)
Question 17: Climate Change (Inference)
Question 18: Rent a Furniture (Weakens)
Question 19: Marathon Performance and Customized Shoes (Weakens)
Question 20: Guaranteed Basic Income (Assumption)
Question 21: Brexit (Infer)
Question 22: AB vs Traditional Hotels (Assumption)
Question 23: Tax Incentive and Job Creation (Weakens)
Question 24: Obesity and Sleeve Gastrectomy (Inference)
Question 25: Recruiting Executives (Weaken)
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