2. In triangle ABC A = 3x + 10, B = 6x - 20and C = x + 60. Find the measure of A
1 answer:
Answer:
49
Step-by-step explanation:
3x+10+6x-20+x+60=10x+50
10x+50=180
10x=130
x=13
A=3*13+10=49
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