Boltini Boltini
  • 22-03-2018
  • Mathematics
contestada

I need help with this question.

I need help with this question class=

Respuesta :

prestonshelton
prestonshelton prestonshelton
  • 22-03-2018
Hello!

The area of a triangle is always 180°

And we know that angle "A" is 90°

So we can do 180 - 90 = 90

Which means that.

(2x+14) + (4x-26) = 90

You combine like terms

6x - 12 = 90

add 12 to each side.

6x = 102

divide by 6 on both sides

x = 17

So the answer is 17°

Hope this helps!
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