Question 504244:  In the formula of a trapezoid 
A=1/2(b^1+b^2)h  
Solve for h  
 Answer by stanbon(75887)      (Show Source): 
You can  put this solution on YOUR website! In the formula of a trapezoid 
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Note: The b1 and b2 are the length of the 2 bases 
of the trapezoid. 
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A=1/2(b1+b2)h  
Solve for h  
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2A = (b1 + b2)h 
-- 
h = (2A)/(b1+b2) 
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Cheers, 
stan H. 
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