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PLEASE HELP ASAP 20 points possible

PLEASE HELP ASAP 20 points possible-example-1

2 Answers

1 vote

Answer:

123°

Explanation:

Subtract the measures of the given interior angles from 180 to find the measure of the missing interior angle

180 - 60 - 63 = 57°

Subtract 57 from 180 to find the measure of the external angle/angle 1.

180 - 57 = 123°

User Guilherme Lemmi
by
4.2k points
1 vote

Answer: 123

Explanation:

60+63=123

180-123=57

180-57=123

User Maxim Zhukov
by
4.5k points