3 years ago

Find the measure of B A. 65 B. 91 C. 30

Mathematics

1 answer:

Lelechka [254]3 years ago

4 0

Answer: x=30

Step-by-step explanation:

Set them all equal to 180

so it would be 180=x+2x-1+3x+1

isolate x by adding or subtracting the 1

180=6x

x=30

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