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Geometry
Angle relationships
Supplementary angles
Use the relationship between supplementary angles ∠a %C2%A0and ∠b . What is%C2%A0 m∠a if%C2%A0 m∠b=121° ?(1 point) Responses 301° 301 degrees 31° 31 degrees 121° 121 degrees 59°
1 answer
The relationship between supplementary angles is that they add up to 180 degrees. So if m∠b is 121 degrees, m∠a would be 180 degrees - 121 degrees = 59 degrees. So the answer is 59°.
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