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elena55 [62]
3 years ago
8

How do you find the arc length of a semi-circle?

Mathematics
1 answer:
ArbitrLikvidat [17]3 years ago
4 0

the arc length is calculated by the formula                                                                    \displaystyle\bf C=\frac{2\pi r}{360} \cdot\alpha   then   \displaystyle\bf C=\frac{2\cdot 8 \pi }{360} \cdot180=8\pi=3,14\cdot8=25.12   or it can be calculated using the circumference of the circle since we have a semicircle the circumference 2πr must be divided by 2  С=2πr:2=πr =8π=<u>25,12</u>

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Mark a small curvy line above your segment and on the bottom at that length. 

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6 0
4 years ago
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lesya692 [45]

Answer:

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Step-by-step explanation:

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8 0
3 years ago
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Kay [80]

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3 0
3 years ago
Anyone know this?!? ​
Darina [25.2K]

Answer:

C

Step-by-step explanation:

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7 0
2 years ago
A 39-foot-long speaker wire is to be cut into three pieces. One piece is to be 13 feet long. Of the remaining pieces, one must b
alexira [117]
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x=-2+3y
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3 0
3 years ago
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