madayackerman madayackerman

24-05-2020
Mathematics

contestada

The area of a trapezoid is given by the formula A=h/2(a+b) .

Solve the formula for b.

Respuesta :

sofialynch365 sofialynch365

24-05-2020

Answer:

(2A)/h -a =b

Step-by-step explanation:

A= [h(a+b)]/2 I rewrote the formula, because h and a+b are in the numerator.

2A=h(a+b) Multiply both sides of equation by 2

(2A)/h= a+b Divide both side by h

(2A)/h -a= b Subtract a from both sides

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