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Mathematics 8 Online
OpenStudy (anonymous):

Trig help! Screenshot is attached!

OpenStudy (anonymous):

OpenStudy (anonymous):

Arc length = radius times (the arc angle in radians)

OpenStudy (anonymous):

16pi/5?

OpenStudy (anonymous):

wait

OpenStudy (anonymous):

What are the angles in radians?

OpenStudy (anonymous):

8pi/3

OpenStudy (anonymous):

im screwing up somewhere

OpenStudy (anonymous):

The angles are 90 degrees which is what in radians?

OpenStudy (anonymous):

pi/2

OpenStudy (anonymous):

Times the radius would be?

OpenStudy (anonymous):

10pi

OpenStudy (anonymous):

Sorry easier way to do this Arc length = deg/360 times 2(pi) radius.

OpenStudy (anonymous):

\[\frac{ \deg }{ 360 }\times 2\times \pi \times (r)\]

OpenStudy (anonymous):

10pi is right tho or no?

OpenStudy (anonymous):

Yes

OpenStudy (anonymous):

Thanks for explaining!

OpenStudy (anonymous):

Welcome

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