# A circle's center is at #(3 ,9 )# and it passes through #(5 ,8 )#. What is the length of an arc covering #(5pi ) /4 # radians on the circle?

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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.

- In a circle of radius 13 m, the length of the arc subtended by a central angle of 15° is approximately?
- A triangle has vertices A, B, and C. Vertex A has an angle of #pi/12 #, vertex B has an angle of #(5pi)/8 #, and the triangle's area is #13 #. What is the area of the triangle's incircle?
- What is the equation of a circle with center #(2, -3)# and radius of #3#?
- A triangle has corners at #(6 ,8 )#, #(1 ,2 )#, and #(3 ,9 )#. What is the area of the triangle's circumscribed circle?
- A circle has a center that falls on the line #y = 1/7x +7 # and passes through # ( 7 ,8 )# and #(3 ,1 )#. What is the equation of the circle?

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