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PtichkaEL [24]
3 years ago
13

A circle has the equation x2 + (y−7)2 = 121. What is the length of the diameter of the circle?

Mathematics
1 answer:
Reika [66]3 years ago
8 0

Answer:

22

Step-by-step explanation:

The standard form for an equation of a circle is (x-h)^2+(y-k)^2=r^2, where h is the x coordinate of the center of the circle, k is the y coordinate, and r is the radius of the circle. Therefore, the radius of this circle squared is 121, meaning that the radius of the circle is 11. Since the diameter of a circle is twice the radius, the radius of this circle is 22. Hope this helps!

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