SSC CHSL 2020 · PYQ · Mensuration (Rectangle) · medium
The length and breadth of a rectangle are in the ratio 3 : 2. If its perimeter is 730 cm. What is the area of the rectangle?
- A.28,976 cm²
- B.20,567 cm²
- C.31,974 cm²✓ Correct
- D.24,452 cm²
Let length = 3x, breadth = 2x. Perimeter = 2(3x + 2x) = 10x = 730, so x = 73. Length = 219, Breadth = 146. Area = 219 × 146 = 31,974 cm².
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