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Q: What is the equation for a circle with a center of (3 0) and a radius of 12?

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Equation for the area circle = pi x radius squared If the area is 144pi, then you need to find the square root of 144, which is 12. Therefore, radius = 12

The radius of a circle is one-half of the circle's diameter. So if the radius is 12 inches, the diameter is 24 inches.

75.398

Remember that: (x-a)2+(y-b)2 = radius2 whereas a and b are the coordinates of the circles centre Rearrange the equation: x2-12x+y2+10y = -12 Complete the squares: (x-6)2+(y+5)2 = 36+25-12 => 49 Therefore: centre = (6, -5) and radius = 7

I assume 12 is diameter. If so 12/2 is radius of 6in. 6x6xpi is 113.1squared inches

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If you mean a circle center at (3, 1) and a radius of 2 then the equation of the circle is (x-3)^2 +(y-1)^2 = 4

(x-3)^2-(y-3)^2=(12)^2

center (3,0) radius 12 So the equation is (x-3)^2 + y^2 = 144 → y^2 + x^2 - 6x - 135 = 0 in general a circle of radius r centered at (h, k) has the equation: (x - h)^2 + (y - k)^2 = r^2

The radius is sqrt(12) = 3.464 (rounded)

Equation for the area circle = pi x radius squared If the area is 144pi, then you need to find the square root of 144, which is 12. Therefore, radius = 12

If you mean x^2 +y^2 = 144 then the radius of the circle is 12 units

Equation of circle: x^2 +y^2 = 12x-10y-12 Completing the squares: (x-6)^2 +(y+5)^2 = 49 So center of circle is at (6, -5) and its radius is 7 units

x2 + y2 =144

24 meters.The diameter is twice the radius.Both radius and diameter are straight lines. The radius extends from the center of the circle to any point on the circumference. The diameter extends from any point on the circumference through the center to the circumference on the opposite side of the circle.

The circumference of a circle if the radius is 12 equals about 75.4

Radius of circle: 12/2 = 6 units

If the diameter is 12 cm the radius is 6 cm.

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