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Irina-Kira [14]
3 years ago
8

What is the arc length if Θ = 2 pi over 7 and the radius is 3 cm? A. 7 pi over 12

Mathematics
2 answers:
hodyreva [135]3 years ago
6 0

Answer: Option 'C' is correct.

Step-by-step explanation:

Since we have given that

\theta=\frac{2\pi}{7} \\\\r=3\ cm

An arc is a part of total circumference of circle and length of that arc is the measurement of linear distance.

Since we know the formula for "Length of an arc " , we get

L=r\times \theta\\\\L=\frac{2\pi}{7}\times 3\\\\L=\frac{6\pi}{7}

Hence, Option 'C' is correct.


ruslelena [56]3 years ago
6 0
s= r\theta\\\\
s=3\cdot\dfrac{2\pi }{7}=\dfrac{6\pi}{7}
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