Question

Find the total surface area of cube having side 5 cm
1)150 sq cm
2)140 sq cm
3)510 sq cm​

Answer 1

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Total surface area of cube -: 6a²

a denotes the side of cube

Side -: 5 cm

= 6a²

= 6 × (5)²

= 6 × 25

= 150 cm ²

So, the correct option is ( 1 )