Mathematics
Find the surface area and volume of a cube whose one edge is 7 cm.
Mensuration
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Answer
Given,
Length of edge of cube (a) = 7 cm
By formula,
Surface area of cube = 6a2
= 6 × (7)2
= 6 × 7 × 7
= 294 cm2.
Volume of cube = a3
= (7)3
= 7 × 7 × 7
= 343 cm3.
Hence, surface area and volume of cube = 294 cm2 and 343 cm3 respectively.
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