Question

TSA of cuboid is 50m² and CSA is 30m² . Find the area of base

Answer 1

given , TSA of of cuboid = 50 m^2

let , l = length, b =width ,h = height

2lb + 2bh + 2hl = 50 m^2 _____eq(1)

CSA of cuboid = 30 m^2

2bh + 2hl = 30 m ^2 _______ eq.(2)

subtract eq (2) from eq(1) , we get

2lb = 50 - 30

2lb = 20

lb = 10 m^2

Note:- area of the base of a cubiod = area of rectangle=l × b

therefore, the required area of the base of cuboid = 10 m^2
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Your Answer : 10 m^2
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