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Find the measure of the exterior angle.
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Find the measure of the exterior angle.

Find the measure of the exterior angle.-example-1
User Bubba
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1 Answer

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Answer:

110°

Explanation:

t+(t+10)+(t+20)=180

t+t+10+t+20=180

3t=180-10-20

3t=150

t=50°

t+20=50+20

=70

180-70=110°

User Chase Cromwell
by
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