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What is the measure of angle B in degrees
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What is the measure of angle B in degrees

What is the measure of angle B in degrees-example-1
User LostBoy
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1 Answer

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Angle C and the 112 degree angle are supplementary, so angle C measures 180-112=68 degrees.

This means that by the exterior angle theorem,
m\angle B=51^(\circ)+68^(\circ)=\boxed{119^(\circ)}

User Queeg
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