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If mAE = 110 and m BD = 30, what is the measure of BCD?

If mAE = 110 and m BD = 30, what is the measure of BCD?-example-1

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<BCD = 1/2(mAE - mDB)
<BCD = 1/2(110 - 30)
<BCD = 1/2(80)
<BCD = = 40

answer
The measure of <BCD = 40°
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