3 years ago

HELPPP!!! 10 PTS! M angle (6x + 15) = _____

Mathematics

2 answers:

Vilka [71]3 years ago

5 0

Answer:

57°

Step-by-step explanation:

Exterior Angle Theorem: An exterior angle of a triangle is equal to the sum of the opposite interior angles.

(9x+16) + (6x+15) = 136

15x + 31 = 136

15x = 105

x = 7

plug into (6x + 15)

6(7) + 15 = 42 + 15 = 57

vodka [1.7K]3 years ago

3 0

I think it is 90 :p (Good Luck)

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