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07-09-2018
Mathematics

contestada

a. Write the formula for the area of a trapezoid.
b. Solve the formula for h.

Respuesta :

13-09-2018

[tex]a.\\A=\dfrac{a+b}{2}\cdot h[/tex]

[tex]b.\\\dfrac{a+b}{2}\cdot h=A\ \ \ \ |\cdot2\\\\(a+b)h=2A\ \ \ \ \ |:(a+b)\neq0\\\\\boxed{h=\dfrac{2A}{a+b}}[/tex]

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