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 =6x^{2}

294 = 6x^{2}

294/6 =x^{2}

(49)^{1/2} = x

7cm =x

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