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den301095 [7]
3 years ago
12

Which proportion can be used to find the arc length, s, in units?

Mathematics
1 answer:
Alinara [238K]3 years ago
5 0

Answer:

Option B

Step-by-step explanation:

Formula to be used to calculate the length of an arc,

Length of arc = \frac{\theta}{360}(2\pi r)

Here, θ = Angle subtended at the center by the arc

r = radius of the circle

By substituting values in the formula,

s = \frac{150}{360}(2\pi )(42)

\frac{s}{2\times 42\pi }=\frac{150}{360}(\frac{2\times 24\pi }{2\times 24\pi } )

\frac{s}{84 \pi }=\frac{150}{360}

Therefore, Option B will be the answer.

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