PLEASE HELP NO TROLLS 5. Find the measure of angle A. *

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asked Jun 7, 2022 34.5k views

19 votes

PLEASE HELP NO TROLLS
5. Find the measure of angle A. *

Mathematics
middle-school

Omo asked

by Omo

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1 Answer

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30 degrees. A triangle is 180. The right angle is 90.
90=7x-10+3x
add ten to both sides and combine like terms
100=10x simplify
10=x now substitute
3x
3(10)=30

Thebaron answered Jun 11, 2022

by Thebaron

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