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In ΔABC, m∠A = (3x + 8)°, m∠B = (2x + 7)°, and m∠C = (x – 9)°. What is the value of x?

User Toon Lite
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7.9k points

1 Answer

4 votes

Answer:

x = 29

Explanation:

In problems like these all you have to do is simply add up all the xs and set them equal to 180

so

3x+8+2x+7+x-9=180

6x+6+180

6x=174

x=29

User Grg
by
7.6k points
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