Write the equation of a circle that has a center at the origin and a radius with a length of 3 inches.

Question

Mathematics

Kai

30 January, 04:45

Write the equation of a circle that has a center at the origin and a radius with a length of 3 inches.

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Elsa Simpson · Answer 1

hello:

an equation of the circle Center at the A (a, b) and ridus : r is:

(x-a) ² + (y-b) ² = r²

in this exercice : a = 0 and b = 0 and r=3 (Center at the origin: A=O) is : x²+y² = 9