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Fedragon · Answer 1 · 2023-01-12T22:05:15+0000

For this problem we know that the radius is 7.9cm and the angle between C and D is 66.4ª. We also want to find the arclenght so we can use the following formula:

$AL=(x)/(360)\cdot2\pi r$

Where x is the angle and r the radius r=7.9cm. So then replacing into the function we got:

$AL=(66.4)/(360)\cdot2\pi(7.9cm)=9.16\operatorname{cm}$

And if we round to the nearest tenth we got 9.2 cm

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