D 'B If the measure of arc AB is 50 degrees, what is the measure of angle ADB? 90 degrees 50 degrees 100 degrees 25 degrees

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A: Here I am attaching image so that you understand each and every step.

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A: ∴Height of tower is x+yAM=425 ftIn ∆ADM ;tan40°=x425x=425 x tan 40°∴x=356.617 ft

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