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wlad13 [49]
3 years ago
11

Circle O has a radius of 5 centimeters and central angle AOB with a measure of 60°. Describe in complete sentences how to find t

he length, in terms of a radian measure, of AB.

Mathematics
1 answer:
jeyben [28]3 years ago
7 0

Answer:

We can use the formula for finding arc length given ccx central angle and radius.(insert formula below) We then substitute 5 in for r and and 60 for x. We multiply 2 pi times 5 which gives us 10. We then reduce the fraction of 60/360 to 1/6. We multiply 10 pi by 1/6 and that gives us

10 pi/6 or 5 pi/3

Step-by-step explanation:

We can use the formula

2\pi  \times r( \frac{x}{360} )

to find the arc length where r is the radius.

and x is the arc measure.

Plug it in for the numbers

2\pi \times 5( \frac{60}{360} )

Multiply 2 pi times 5=10 pi

10\pi( \frac{60}{360} )

Simplify 60/360 to 1/6

10\pi \times  \frac{1}{6}  =  \frac{10\pi}{6}

Reduce it to

\frac{5\pi}{3}

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