A chord of a circular clock is 48 inches long, and its midpoint is 7 inches from the center of the circle. What is the radius of
the clock to the nearest whole number?
1 answer:
ANSWER
The radius is 25 inches
EXPLANATION
From the diagram, the radius of the circle is AC.
From the Pythagoras Theorem,


Simplify

Take positive square root,


Hence the radius is 25 inches
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