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Vlad [161]
2 years ago
5

44. Find the arc length on a circle with radius =5 inches and a central angle of pi/3 help plsss

Mathematics
1 answer:
Margaret [11]2 years ago
8 0

Answer:

Step-by-step explanation:

Because your angle is in radians, I'm assuming we can use the pre-calculus version of the arc length formula which is

s = rt where s is the arc length, r is radians, and t is the angle in radian measure. Filling in accordingly:

s=5(\frac{\pi}{3}) so

s=\frac{5\pi}{3} inches

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Therefore,
Number of seconds in 4.2 minutes = 4.2 x 60 = 252 seconds.

Next we convert it in hours.

60 minutes make up an hour. So we can write,
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Therefore, the video is 252 seconds or 0.07 hour long. 
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Step-by-step explanation:

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