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rosijanka [135]
3 years ago
5

Find the arc length of the partial circle.

Mathematics
1 answer:
ElenaW [278]3 years ago
8 0

Answer:

38.485(correct to 5 significant figure)/ 12.25π

Step-by-step explanation:

\pi(7 {}^{2} )( \frac{90degree}{360deree} )

= \pi(49)( \frac{1}{4} )

=38.485(cor. to 5 sig.fig.)/ 12.25π

to find arc length of sector,we need to π(radius²)(sector's degree divided by 360 degree)

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