Area Ratio in Regular Hexagon
CAT 2025 Slot 2 · Quantitative Ability · Medium · Geometry
This is a medium Quantitative Ability question from the CAT 2025 Slot 2 paper. It tests Geometry. The full answer key and a step-by-step explanation are below — try it yourself first, then reveal the solution.
Let ABCDEF be a regular hexagon and P and Q be the midpoints of AB and CD, respectively. Then, the ratio of the areas of trapezium PBCQ and hexagon ABCDEF is
- A.
6 : 19
- B.
5 : 24
- C.
7 : 24
- D.
6 : 25
B
Explanation
Let side length of regular hexagon be . Total area of regular hexagon . is midpoint of . is midpoint of . Trapezium has parallel sides and ? Wait, . form a quadrilateral / isosceles trapezium. The area of can be calculated by dissecting into triangles. The resulting ratio of Area() to Total Area = .
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