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20 March, 20:46

Angles a and b are supplementary.

The measurement of angle a is 40°.

Find the measurement of angle b.

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  1. 21 March, 00:16
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    Answer: Angle B is 140

    Step-by-step explanation: Supplementary angles mean that the two angles will add up to be 180 degrees. If one angle is 40, you know that 180-40 will get you the degree of the angle B, which would be 140 degrees.
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