the dimensions of a cuboid are given in the ratio 3:2:2 and lateral surface area is 200 m^2 . find the total surface area ?
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Let l = 3x, b = 2x, h = 2x
Given , 2h(l+b) = 200m²
4x(5x) = 200
20x² = 200 ➡x² = 10
T.S.A. = L.S.A. + 2lb
= 200 + 2*3x*2x = 200+120= 320 m²
Given , 2h(l+b) = 200m²
4x(5x) = 200
20x² = 200 ➡x² = 10
T.S.A. = L.S.A. + 2lb
= 200 + 2*3x*2x = 200+120= 320 m²
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select all the dimensions of a cuboid such that its volume is 200cm3 .For the same cuboid with the dimension calculated ,find the totak surface area. Also find the cost of painting the exterior of the cuboid at the rate of rs 59m2
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