Mensuration Practice Test 10

Question : 37 of 40

Marks: +1, -0

Find the surface area of a cube that is formed by joining pieces of a square whose area is 13.69

m^2

Solution:

Edge of a cube

√{13.69}

= 3.7 m
Surface area of a cube

6a^2

= 6 × 3.7 × 3.7
= 82.14

m^2

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