# Consider a sector with angle #pi/3# radians, and radius #3.5 m#. What is the arc length and area?

Sector length

Area

The sector length when the angle is measured in radians is

So in this case:

And the Area is given by:

So in this case:

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Arc length = ( \frac{\pi}{3} \times 3.5 ) meters = ( \frac{\pi}{3} \times 3.5 ) meters ≈ 3.665 meters

Area of the sector = ( \frac{1}{2} \times 3.5^2 \times \frac{\pi}{3} ) square meters ≈ 6.027 square meters

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When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

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- A circle's center is at #(2 ,4 )# and it passes through #(1 ,2 )#. What is the length of an arc covering #(5pi ) /4 # radians on the circle?
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