Question

if length,breadth and height of cuboid are 15 m ,12m and 5m respectly.find it's surface area​

Answer 1

Step-by-step explanation:

Total surface area

= 2(15×12)+2(12×5)+2(5×15)

= 360+120+150

= 630 m sq.

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Answer 2

length = 15m

breadth or width = 12m

height = 5m

surface area = 2lw+2lh+2hw

so =( 2× 15m×12m) + (2×15m×5m) + (2×5m ×12m)

360 + 150+ 120

= 630 m cube

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