Homework Help: DRWLS,MATH,ALGEBRA

Posted by jasmine20 on Monday, December 18, 2006 at 1:30pm.

Drawls,

How did you get 2h. and then the 2a/h from.Can you help me understand it when you get a chance.

Directions: Solve each literal equation for the indicated variable.

A=1/2h(B+b) (For b) Area of a trapezoid

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math,algebra - drwls, Monday, December 18, 2006 at 10:26am
It is just a matter of algebraic manipulation.

A=(1/2)h(B+b)
Multiply both sides of the equation by 2/h.
B+b = 2A/h
b = (2A/h) - B

Thank you.

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