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Question

If the area of a triangle is 150 m2 and base: height is 3:4, find its height:

A
25 cm
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B
35 m
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C
20 m
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D
None of these
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Solution

The correct option is C 20 m
let the base and height be 3x and 4x respectively
Area of triangle is =12×base×height
hence,
12×3x×4x=1504x2=100x=25±5
on putting the value of x=5m
height4×5
hence, we get
height=20m

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