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Geometry
Angles
Supplementary angles
Angles a and b are supplementary angles. What is the value of m∠a if m∠b=43° ?(1 point) Responses 47° 47 degrees 223° 223 degrees 137° 137 degrees 43°
1 answer
Since supplementary angles add up to 180 degrees, and angle b is given as 43 degrees, the measure of angle a would be 180 - 43 = 137 degrees. Therefore, the correct response is 137°.
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