Concept explainers
To find: The diameter of the pizza Clarence ate which is in the shape of a part of a

Answer to Problem 42CR
The diameter of the pizza Clarence ate is 50 cm.
Explanation of Solution
Given Information:
Distance of chord from the midpoint of arc = 5 cm
Length of the chord = 30 cm
Formula used:
By Pythagoras theorem,
Calculation:
Let
Draw radius
We know that, a perpendicular from the centre of a circle to the chord bisects it.
So,
Now,
Here,
By Pythagoras theorem,
Hence, diameter of the pizza is 50 cm.
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