The whole surface area of a rectangular block is 8788 sq.cm . If the length , breadth and height are in the ratio 4:3:2 Find the difference between its length & height
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4
Answer:
26
Step-by-step explanation:
Let the common ratio be x
Length = 4x
Width = 3x
Height = 2x
TSA = 2 ( LW + WH + HL )
=> 8788 = 2 ( 12x^2 + 6x^2 + 8x^2 )
=> 4394 = 26x^2
=> x^2 = 169
=> x = 13
Length = 52 cm
Height = 26 cm
Width = 39 cm
Required difference = 52 - 26
= 26 cm
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