Math, asked by virenderdhanda8863, 3 months ago

a circle has its centre at the origin and has equation x^2 + y^2 = 81 what is the size of the radius?

Answers

Answered by amitsharma777222999
2

Step-by-step explanation:

compare equation with x^2+y^2=a^2

where a is radius

a=9

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