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What is the measure
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What is the measure

What is the measure-example-1
User Rosme
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1 Answer

3 votes

Answer:

Explanation:

t+t+10+t+20=180

3t+30=180

3t=180-30=150

t=150/3=50

t+20=50+20=70

exterior angle=180-70=110°

User Ujjwal Aryan
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