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mariarad [96]
3 years ago
14

Use the above figure to answer the question. How long is arc ACB if the radius of the circle is 6? Round your answer to two deci

mal places.
A. 18.86
B. 25.13
C. 6.29
D. 12.57

Mathematics
1 answer:
Greeley [361]3 years ago
5 0
AOB (Major) = 360 - (60+60) = 240°

Length of arc =
\frac{Angle\: subtended \:by \:arc}{360} \times 2 πr \\ \frac{240}{360} \times 2 \times \frac{22}{7} \times 6 \\ \frac{2}{3} \times 2 \times \frac{22}{7} \times 6 \\ \frac{24 \times22 }{21} \\ = 25.14

Answer will be B. 25.13 as this is very close to our answer.
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