3 years ago

HELP ASAP!! What’s the answer to this? (with steps)

Mathematics

1 answer:

Goshia [24]3 years ago

3 0

Answer:

x = 13.5°

Step-by-step explanation:

Angles 2 + 3 = a straight line, so 180°

180 - 66 = 114 = angle 2

114 = 10x - 21

114 + 21 = 10x

135 = 10x

135 / 10 = x

13.5 = x

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