rpelay0 rpelay0

14-02-2019
Mathematics

contestada

A=1/2h(a+b) for a
Not sure what to do here

Respuesta :

mathstudent55 mathstudent55

14-02-2019

Answer:

a = (2A)/h - b

Step-by-step explanation:

A=1/2h(a+b) for a

Multiply both sides by 2:

2A=h(a+b)

Divide both sides by h:

(2A)/h = a + b

Subtract b from both sides:

(2A)/h - b = a

Switch sides:

a = (2A)/h - b

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