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What is the measure of angle B in the triangle?

This triangle is not drawn to scale.

Enter your answer in the box.

m∠B=
°

What is the measure of angle B in the triangle This triangle is not drawn to scale Enter your answer in the box mB class=

Respuesta :

lubnakhaledm32

Answer:

Step-by-step explanation:

(2x-30) + 40 + (x+20)=180

=3x+30=180

=3x=150

=x=50

B=70

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