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What is the equation of a circle with centre of origin...

This question belongs to Arithmetic Ability Coordinate Geometry
Coordinate Geometry
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What is the equation of a circle with centre of origin and radius is 6 cm?

Answer & Solution
Correct Answer: Option D
(x - a)2 + (y - b)2 = r2
Origin point = (0, 0)
(x - 0)2 + (y - 0)2 = 62
x2 + y2 = 36
x2 + y2 - 36 = 0
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