The diameter of a bull-eye is 4cm. The radius of the middle blue circle is 6cm. The radius of the outer yellow circle is 9cm. What is the probability a dart thrown at this board will land anywhere inside the middle blue circle but NOT the bull-eye? Express your answer as a percent rounded to the nearest tenth. O 40.5% O 21.5% O 42.8% O 39.5%

Elementary Geometry For College Students, 7e
7th Edition
ISBN:9781337614085
Author:Alexander, Daniel C.; Koeberlein, Geralyn M.
Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.
ChapterP: Preliminary Concepts
SectionP.CT: Test
Problem 1CT
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The diameter of a bull-eye is 4cm. The radius of the middle blue circle is 6cm.
The radius of the outer yellow circle is 9cm. What is the probability a dart
thrown at this board will land anywhere inside the middle blue circle but NOT
the bull-eye? Express your answer as a percent rounded to the nearest tenth.
40.5%
O 21.5%
O 42.8%
39.5%
Transcribed Image Text:The diameter of a bull-eye is 4cm. The radius of the middle blue circle is 6cm. The radius of the outer yellow circle is 9cm. What is the probability a dart thrown at this board will land anywhere inside the middle blue circle but NOT the bull-eye? Express your answer as a percent rounded to the nearest tenth. 40.5% O 21.5% O 42.8% 39.5%
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