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gregori [183]
3 years ago
9

What is the length of EF?

Mathematics
1 answer:
Scorpion4ik [409]3 years ago
6 0

The formula for arc length is l = θr. θ is the angle in radians and r is the radius of the circle. Plugging in we get pi over 2 all times 4. 4 over 2 reduces to 2. Finally, our answer is 2pi

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----------------

check

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