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A circle has its centre at (0,0) and passes through the point (-9,40). a) Calculate the radius of the circle. b) State the equation of the circle. c) State the x and y-intercept…

A circle has its centre at (0,0) and passes through the point (-9,40). a) Calculate the radius of the circle. b) State the equation of the circle. c) State the x and y-intercept…
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A circle has its centre at (0,0) and passes through the point (-9,40).

a) Calculate the radius of the circle.
b) State the equation of the circle.
c) State the x and y-intercepts.
d) Is the point (12,18) inside, on or outside this circle?

asked
User Snegirekk
by
7.6k points

1 Answer

4 votes

Explanation:

Radius of a cicke is calculated by 2 pi r

Equation is found by y=mx+C

answered
User Michael Kariv
by
8.8k points
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