Question

Find the unknown angle(s) in the following figures. ​

Answer 1

Answer:

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Step-by-step explanation:

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Answer 2

Step-by-step explanation:

1) a+a+20=180

2a=160

a=80

2)82+b+b=180( angle opposite to equal sides are equal)( sum of angle of a triangle is 180 degree)

2b=180-82

2b=92

b=46