SSC CHSL 2025 · PYQ · Geometry - Similar Triangles · medium
Two similar triangles have areas of 16 m² and 25 m². If the perimeter of the smaller triangle is 20 meters, what is the perimeter of the larger triangle?
A.17 m
B.23 m
C.33 m
D.25 m✓ Correct
Explanation
The ratio of perimeters equals the square root of the ratio of areas = √(25/16) = 5/4. Larger perimeter = 20×(5/4) = 25 m.
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