The height of a rectangular solid is 5
times its width and its length is 8 times its height If the volume of the wall is 102.4 cm^3 , find its height.
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Answer:
let width = x
therefore height = 5x
length = 5x * 8 = 40x
volume of rectangular solid = l*b*h
102.4 cm^3 = x*5x*40x
102.4 cm^3 = 200x^3
cube on both sides so cubes are cancelled
x = 102.4 cm / 200
x = 0.5 cm
widht = 0.5 cm
height = 5 * 0.5 cm = 2.5 cm
length = 40 * 0.5 cm = 20.0 cm
Step-by-step explanation:
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