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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 answer
If angles a and b are supplementary, it means that the sum of their measures is 180 degrees. Therefore, if m∠b = 43°, then m∠a = 180° - 43° = 137°.
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