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A circle has its centre at the origin and has a radius of 5. What is its equation?​
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21 votes
A circle has its centre at the origin and has a radius of 5.
What is its equation?​

User Anthony Russo
by
4.3k points

2 Answers

7 votes
Formula is (x-h)2+(y-k)2=r2
User Malice
by
4.6k points
14 votes

Answer:

x²+y²=25

Explanation:

(x-h)²+(y-k)²=r²

(x-0)²+(y-0)²=5

x²+y²=25

User Rjacks
by
4.5k points
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