3 years ago

Find the length of each arc. Use the exact answer

Mathematics

1 answer:

Cerrena [4.2K]3 years ago

3 0

Answer:

Option D = 16π/3 ft

Step-by-step explanation:

Arc length formula is written Mathematically as:

Arc length = 2πr × θ /360

r = 4 ft

θ = Central angle in degrees = 240°

2 × π × 4 × 240/360

8π × 240/360

8π × 20/30

16π/3 ft

So, the arc length is 16π/3 ft

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Find the volume of the sphere. Either enter an exact answer in terms of \piπpi or use 3.143.143, point, 14 for \piπpi and round

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Answer:

Find the volume of the sphere.

Either enter an exact answer in terms of π or use 3.14 for π and round your final answer to the nearest hundredth.

The radius is 1

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Step-by-step explanation:

Given

Radius, r = 1

Required

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$V = \frac{4}{3} \pi r^{3}$

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What is the surface area of sphere with radius 13 ft?

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