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Can some pls help! With numbers : 21, 22, 23 pls!!

Can some pls help! With numbers : 21, 22, 23 pls!!-example-1
User Memke
by
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1 Answer

4 votes

Answer:

number 21; x =80°

Explanation:

1) 180 - 118 = 62° because all angles on straight lines add to 180.

2) 62°+38°= 100

3) 180 - 100 = 80°

User Sreeram
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3.4k points