Find the Diameter of the Circle with the following equation. Round to the nearest tenth.

(x – 2)2 + (y + 6)2 = 20

Question

Find the Diameter of the Circle with the following equation. Round to the nearest tenth.   (x - 2)2 + (y + 6)2 = 20

haidang · Answer

Answer: 8,9.      Step-by-step explanation:   (x-2)^2+(y+6)^2=20  Circle   equation   boxed {(x-a)^2+(y-b)^2=r^2}  r^2=20  r*r= sqrt{20}* sqrt{20}   r= sqrt{20}   r= sqrt{4*5}   r=2 sqrt{5}    D=2r  D=2*2 sqrt{5}   D=4 sqrt{5}   D approx8,9.

Bo · Answer

Answer:    1  1  .  8     uni  ts    Step-by-step explanation:    The circle equation is given as:      The circle equation is given as:(x - 2)^2 + (y + 6)^2 = 35      The circle equation is given as:(x - 2)^2 + (y + 6)^2 = 35A circle equation is represented as:      The circle equation is given as:(x - 2)^2 + (y + 6)^2 = 35A circle equation is represented as:(x - a)^2 + (y - b)^2 = r^2      The circle equation is given as:(x - 2)^2 + (y + 6)^2 = 35A circle equation is represented as:(x - a)^2 + (y - b)^2 = r^2Where      The circle equation is given as:(x - 2)^2 + (y + 6)^2 = 35A circle equation is represented as:(x - a)^2 + (y - b)^2 = r^2WhereDiameter = 2r      The circle equation is given as:(x - 2)^2 + (y + 6)^2 = 35A circle equation is represented as:(x - a)^2 + (y - b)^2 = r^2WhereDiameter = 2rBy comparing both equations, we have      The circle equation is given as:(x - 2)^2 + (y + 6)^2 = 35A circle equation is represented as:(x - a)^2 + (y - b)^2 = r^2WhereDiameter = 2rBy comparing both equations, we haver^2 = 35      The circle equation is given as:(x - 2)^2 + (y + 6)^2 = 35A circle equation is represented as:(x - a)^2 + (y - b)^2 = r^2WhereDiameter = 2rBy comparing both equations, we haver^2 = 35Take the square root of both sides      The circle equation is given as:(x - 2)^2 + (y + 6)^2 = 35A circle equation is represented as:(x - a)^2 + (y - b)^2 = r^2WhereDiameter = 2rBy comparing both equations, we haver^2 = 35Take the square root of both sidesr = 5.9      The circle equation is given as:(x - 2)^2 + (y + 6)^2 = 35A circle equation is represented as:(x - a)^2 + (y - b)^2 = r^2WhereDiameter = 2rBy comparing both equations, we haver^2 = 35Take the square root of both sidesr = 5.9Multiply by 2      The circle equation is given as:(x - 2)^2 + (y + 6)^2 = 35A circle equation is represented as:(x - a)^2 + (y - b)^2 = r^2WhereDiameter = 2rBy comparing both equations, we haver^2 = 35Take the square root of both sidesr = 5.9Multiply by 22r = 11.8      The circle equation is given as:(x - 2)^2 + (y + 6)^2 = 35A circle equation is represented as:(x - a)^2 + (y - b)^2 = r^2WhereDiameter = 2rBy comparing both equations, we haver^2 = 35Take the square root of both sidesr = 5.9Multiply by 22r = 11.8Hence, the diameter of the circle is 11.8 units

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