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yanalaym [24]
3 years ago
10

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

Mathematics
1 answer:
Klio2033 [76]3 years ago
5 0
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
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