vashawntib91 vashawntib91

13-05-2020
Mathematics

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The radius of a circle is 1 kilometer. What is the length of a 90 degree arc?

The radius of a circle is 1 kilometer What is the length of a 90 degree arc class=

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ronhagrid310 ronhagrid310

13-05-2020

Answer:

The length or arc is calculated by:

pi x r x angle(deg)/180 = pi x 1 x 90/180 = 0.5 x pi = ~1.57 (km)

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Koralora Koralora

05-02-2022

Answer:

1/2 pi on IXL

Answer Link

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