Asked by ARI33
A semicircle has AB as the endpoints of its diameter, and AB=80. Points C and D are on the circumference of the semicircle such that AD=BC=40. What is the length of DC?
Answers
Answered by
Steve
Since the radius is equal to the given chords, the central angle is 60 degrees.
(An inscribed hexagon has sides equal to the radius)
So, DC is also 40
(An inscribed hexagon has sides equal to the radius)
So, DC is also 40
Answered by
EINSTEIN AND MORSE
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