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| 1) | What is the area of the circle having (-2,0) as its center and (-1,0) as a point on the circle? |
2) | What is the circumference of the circle having (-1,0) as its center and (2,0) as a point on the circle? |
| 3) | What is the circumference of the circle having (1,-3) as its center and (2,-3) as a point on the circle? |
4) | What is the circumference of the circle having (-1,3) as its center and (1,3) as a point on the circle? |