What is m<3?
I need help!
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Answer:
Step-by-step explanation:
The interior angles of the triangle sum to 180
4x+6 + 3x+20 + (180 - (8x+9) ) = 180
-x + 197 = 180
x = 17
then angle 3 = 8x+9 = 8 (17) + 9 = 142°