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A roof has a cross section that is a right triangle. The diagram shows the approximate dimensions of this cross section. Find the height h of the roof. Round your answer to the nearest tenth.

 

 May 13, 2020
 #1
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The area of  this right triangle =  (1/2)(product of the legs)  = (1/2) (20)(13)  =  130 ft^2

 

So.....using this

 

Area  also equals  (1/2) base * height

 

130  = (1/2) (23.9) (height)      multiply both sides by 2   and divide both sides by 23.9

 

260 / 23.9 =  height ≈  10.9 ft

 

 

cool cool cool

 May 13, 2020

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