# If the circumference of a circle is half the area, what is the radius of 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.

- A triangle has vertices A, B, and C. Vertex A has an angle of #pi/12 #, vertex B has an angle of #(5pi)/12 #, and the triangle's area is #7 #. What is the area of the triangle's incircle?
- Find the area of the blue sector. Use 3.14 for pi and round to the nearest hundredth.?
- A circle with diameter of 14 inches lies inside a square. What is, to the nearest tenth, the area of the region t is inside the square and outside the circle?
- In the following circle, QT is a diameter that goes through point S. Find the measure of OP, QR, and QT. Justify your answers?
- A triangle has corners at #(5 , 5 )#, #(9 ,4 )#, and #(1 ,8 )#. What is the radius of the triangle's inscribed circle?

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