Is it possible for a circle to have a radius of 0?

Related questions

1. How do you find the equation of a quarter of a circle?
2. Can the radius of a circle be zero?
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4. How do you find the points of a circle?
5. What is the radius of a circle calculator?
6. What is H in an equation?
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8. How do you find the equation of the top half of a circle?
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Tags

1. #definition
2. #nothing
3. #scaled
4. #other
5. #circle
6. #however
7. #there
8. #properties
9. #radius
10. #loses
11. #cannot
12. #specifies
13. #knowledge
14. #circles