nonamejg nonamejg
  • 19-08-2020
  • Mathematics
contestada

solve for b in the mathematical formula A=1/2(a+b)h

Respuesta :

Stephen46
Stephen46 Stephen46
  • 19-08-2020

Answer:

[tex]b = \frac{2A}{h} - a[/tex]

Step-by-step explanation:

[tex]A = \frac{1}{2} (a + b)h[/tex]

Multiply both sides by 2

We have

2A = (a + b)h

Divide both sides of the equation by h

That's

[tex] \frac{(a + b)h}{h} = \frac{2A}{h} [/tex]

We have

[tex]a + b = \frac{2A}{h} [/tex]

Move a to the right side of the equation to make b stand alone

We have the final answer as

[tex]b = \frac{2A}{h} - a[/tex]

Hope this helps you

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