A closed box 80 cm x 40 cm x 30 cm is to be covered with square paper sheets of side 40 cm. How many paper sheets will be required to do it?
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A closed box 80 cm x 40 cm x 30 cm is to be covered with square paper sheets of side 40 cm. How many paper sheets will be required to do it?
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Answer:
2400
Step-by-step explanation:
80×40×30 = 96000
96000 ÷ 40 = 2400
Answer:
Hope it helps you
Step-by-step explanation:
Given dimensions of wooden block = 80 cm x 40 cm x 20 cm
Then surface Area of the box = 2[lb + bh+lh]
= 2[80 × 40 + 40 x 20 + 80 × 20]
= 11200 cm²
The number of sheets required=
Surface area of the box
––––––—–———————
Area of one sheet of box per
=11200
————
20²
=28