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In A=2h(l+b), if A=54m^(2), l=5m, and b=...

In `A=2h(l+b)`, if `A=54m^(2)`, l=5m, and b=4m, then find h.

A

6m

B

4m

C

3m

D

2m

Text Solution

Verified by Experts

The correct Answer is:
C
Given `A=2h(l+b)rArrh=(A)/(2(l+b))`
`rArr h=(54)/(2(5+4))rArr h=3m`
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