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Question

Ravish wanted to make a temporary shelter for his car by making a box-like structure with tarpaulin that covers all the four sides and the top of the car (with the front face as a flap which can be rolled up). How much tarpaulin would be required to make the shelter of height 2.5 m with base dimensions 4 m×3 m?


A

47 m2

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B

30 m2

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C

54 m2

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D

37 m2

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Solution

The correct option is A

47 m2


Length of base (l) = 4 m

Breadth (b) = 3 m

Height (h) = 2.5 m

Area of tarpaulin used

=Area of 4-walls+Area of roof

=2h(l+b)+l×b

=2×2.5(4+3)+4×3 m2

=5×7+12=35+12=47 m2


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