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BAIf m/BAC = 90°, and m

BAIf m/BAC = 90°, and m-example-1

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ANSWER

m∠BAD = 22°

Step-by-step explanation

By the angle addition theorem, the sum of the measures of angles BAD and DAC is equal to the measure of angle BAC,


m\angle BAD+m\angle DAC=m\angle BAC

Replace the known values,


m\angle BAD+68\degree=90\degree

Solving for m∠BAD,


m∠BAD=90\degree-68\degree=22\degree

Hence, the measure of angle BAD is 22°.

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