Find the surface area of a box of length 25 cm, breadth 0.5 m and height 15 cm.
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2
Dimensions of closed box = 25cm × 0.5m × 15cm
= 25cm × 50cm × 15cm
We know that,
Area of cardboard required = 2 (lb + bh + hl) cm2
= 2 (25×50 + 50×15 + 15×25)
= 2 (1250 + 750 + 375)
= 2 (2375)
= 4750 cm2
Answered by
0
Length of the box= 25 cm
Breath of the box= 0.5 m= 0.5×100 = 50 cm
Height of the box= 15 cm
Therefore, volume (surface area of box) = L×B×H
= 25×50×15= 25000 cm³
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