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How do you find the circumference of a circle set in the Cartesian plane whose equation is x squared plus y squared -4x -6y -3 equals 0?
Wiki User
∙ 11y ago
x2 + y2 - 4x - 6y - 3 = 0 complete the squares: x2 - 4x + 4 + y2 - 6y + 9 - 4 - 9 - 3 = 0
simplify: (x - 2)2 + (y - 3)2 = 16
Therefore radius2 = 16 => radius = 4
and then circumference = 2*pi*r = 25.13 (approx)
Wiki User
∙ 11y ago
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What does the circumference of a circle?
You mean what Is the circumference of a circle? pi*(r)squared.
What is the area of a circle whose circumference passes through the points of 2 2 and 1 1 and 7 -3 on the Cartesian plane?
Equation of the circle works out as: (x-4)^2 =(y+1)^2 = 13 or radius squared. Therefore area of the circle: 13*pi = 40.841 square units rounded to 3 d.p.
What is the area of circle with a circumference of 20?
The area of circle with a circumference of 20 is: 31.83 units squared.
What is circumference of a circle whose area is 314 squared?
The circumference is 62.815 units.
If you Give a circle with a diameter of 4 what is the circumference?
the equation for the circumference of a circle is 2*radius*pi, or since the radius is half of the diameter 2*radius=diameter, we can simplify the equation to the circumference of a circle=diameter*pi
How do you measure the circumference of the circle?
The equation for the circumference of a circle is pi times radius squared.
What is the circumference of a circle if the radius is 5meters?
To find the circumference of a circle the equation would be pi multiplied by diameter, or radius squared. the answer would be 31.415 units squared.
What is the standard equation of the circle?
Area of a circle = pi*radius squared Circumference of a circle = 2*pi*radius or diameter*pi
What is the equation of the circle standard form?
Area of a circle = pi*radius squared Circumference of a circle = 2*pi*radius or diameter*pi
What does the circumference of a circle?
You mean what Is the circumference of a circle? pi*(r)squared.
What is the circumference of a circle that has an area of 25 centimeters squared?
The circumference of a circle that has an area of 25 centimeters squared is about 17.72 cm
What is the area of a circle whose circumference passes through the points of 2 2 and 1 1 and 7 -3 on the Cartesian plane?
Equation of the circle works out as: (x-4)^2 =(y+1)^2 = 13 or radius squared. Therefore area of the circle: 13*pi = 40.841 square units rounded to 3 d.p.
What is the area of circle with a circumference of 20?
The area of circle with a circumference of 20 is: 31.83 units squared.
Is the circumference of a circle cubed or squared?
Neither.
If the area of a circle is given as 67cm squared find the diameter and then circumference of this circle?
If the area of a circle is given as 67cm squared, the diameter is 9.236 cm and the circumference is 29.02 cm
What is the area of a circle if its circumference 12 pie?
The area of a circle if its circumference 12pi is: 113.1 units squared.
What is the circumference of a circle with an area of 121 pie yards squared?
The circumference of a circle with an area of 121 pie yards squared (380.13 yards2) is: 69.1 yards
