Answer:
m∠60
Step-by-step explanation:
30 + 90 = 120
180-120=60
x = 60°
A triangle is equal to 180°
Make an equation and solve:
30° + 90° + x = 180°
120° + x = 180°
x = 180° - 120°
<u>x = 60°</u>
your answer is 9
I hope this can help you.
B,C,F
The number that is multiplied by a variable is the coefficient
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