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12-11-2020
Mathematics

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What is the measure of angle B in the triangle?
this triangle is not drawn to scale.

What is the measure of angle B in the trianglethis triangle is not drawn to scale class=

Respuesta :

alindberg alindberg

12-11-2020

Answer:

B=70

Step-by-step explanation:

180-40=140

140=x+20+2x-30

140=3x-10

150=3x

x=50

b=2x-30

b=100-30

b=70

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