123°
The sum of the measures of the angles of a 5-sided polygon is 540°.
Let x be the measure of the missing angle.
x° + 87° + 124° + 93° + 123° = 540°
x° + 417° = 540°
x = 540° - 417°
x = 123°
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Answer:
123°
Step-by-step explanation:
The sum of the measures of the angles of a 5-sided polygon is 540°.
Let x be the measure of the missing angle.
x° + 87° + 124° + 93° + 123° = 540°
x° + 417° = 540°
x = 540° - 417°
x = 123°