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[17]
3 years ago
10
What is the measure of angle A in the triangle?
Mathematics
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1
answer:
levacccp
[35]
3 years ago
5
0
The measure of angle A is 50 degrees.
2x-10+x+30+70=180
3x+90=180
-90 -90
3x=90
x=30
2(30)-10
60-10
50
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