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Given that m∠a = 53°, find m∠b.
m∠b =
°
2 answers:
Answer:
Step-by-step explanation:
The angle left to b is
90° - a
= 90° - 53°
= 37°
So now
< b + 37° = 180° ( being linear pair )
< b = 180° - 37°
< b = 143°
Answer: 143
90-53=37
180-37=143
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