Mensurationmedium · Past Paper
Area of a rectangle is 60 sq. cm and its diagonal is 13 cm. Find its perimeter.
A34 cm
B17 cm
C26 cm
D30 cm
✓ Correct Answer: A — 34 cm
L^2 + B^2 = 169 and LB = 60. (L+B)^2 = L^2+B^2+2LB = 169+120 = 289. L+B = 17. Perimeter = 2*17 = 34.
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