Answer
$0.25$ or, $25 \%$
Work Step by Step
The probability $P$ is the ratio of the length of $\widehat{AB}$ and the circumference of the circle:
$P=\dfrac{\dfrac{1}{4} (2 \pi r)}{2 \pi r}=0.25$ or, $25 \%$
Geometry: Common Core (15th Edition)
by Charles, Randall I.
Published by
Prentice Hall
ISBN 10:
0133281159
ISBN 13:
978-0-13328-115-6
Chapter 10 - Area - 10-8 Geometric Probability - Practice and Problem-Solving Exercises - Page 672: 31
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