Question

answer this question........fast​

Answer 1

Step-by-step explanation:

4.)

Given, a+b = 108 degrees and b+c = 130 degrees.

Adding these two equations,

(a + b) + (c + b) = 238 degrees.

But from (1), a + b + c = 180 degrees.

OR 180 + b = 238

OR b = 58 degees.

Also, a = 108–58 = 50 degrees.

and c = 130–58 = 72 degrees.

and b = 180- 122 = 58 degrees

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