a.
To find: The length of given arc.
a.

Answer to Problem 13PSB
The length of given arc is 15π .
Explanation of Solution
Given information: An arc that is 58 of the circumference of a
Calculation:
The length of given arc is,
58×(2π)(12)=15π
b.
To find: The length of given arc.
b.

Answer to Problem 13PSB
The length of given arc is 18π .
Explanation of Solution
Given information: An arc that has a measure of 270 and is part of a circle with radius 12
Calculation:
The length of given arc is,
270×(2π360)(12)=18π
Chapter 10 Solutions
Geometry For Enjoyment And Challenge
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