Mensuration Practice Test 6

Question : 14 of 40

Marks: +1, -0

Find the lateral surface area of a triangular prism whose height is 3.2 m and sides of its base are 3 m, 5 m and 7 m.

Solution:

Perimeter of the base = 3 + 5 + 7 = 15 m
Lateral surface area of the prism = (perimeter × height)
= 15 × 3.2 = 48

m^2

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