Maths-
General
Easy
Question
Find the side of cube whose surface area is 294 sq cm:
- 6cm
- 7cm
- 8cm
- 9cm
The correct answer is: 7cm
let the side of the cube be x cm
surface area of cube =6x2
294 = 6x2
294/6 =x2
(49)1/2 = x
7cm =x
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