## How do you find the equation of a circle with two points and a radius?

If two points on the circle are given as (x1,y1) and (x2,y2) along with radius as r, simply substitute the values in the general equation and solve for g & h. We get values of (g,h) ,i.e, the coordinates of centre of circle. Put it in general equation of circle to get required equation of circle.

## What is the equation of a circle calculator?

How to Use the Equation of a Circle Calculator?Step 1: Enter the circle centre and radius in the respective input field.Step 2: Now click the button “Find Equation of Circle” to get the equation.Step 3: Finally, the equation of a circle of a given input will be displayed in the new window.

## What is the general equation of circle?

The standard equation of a circle with center at ( a , b ) (a,b) (a,b) and radius r r r is ( x − a ) 2 + ( y − b ) 2 (x-a)^2+(y-b)^2 (x−a)2+(y−b)2= r 2 r^2 r2. If we have a point O = ( a , b ) O=(a,b) O=(a,b) in the plane and a radius r r r, then we can construct a unique circle.

## How do I calculate the area of a circle?

The area of a circle is pi times the radius squared (A = π r²).

## How do you calculate radial distance?

According to the distance formula, this is √(x−0)2+(y−0)2=√x2+y2. A point (x,y) is at a distance r from the origin if and only if √x2+y2=r, or, if we square both sides: x2+y2=r2. This is the equation of the circle of radius r centered at the origin.

## How do you find the radius of a distance?

The radius of a circle measures the distance from the center to any point along the outside of the circle. Multiply this measurement by two to calculate the diameter, or distance through the center of the circle. Multiply this measurement by pi.

## What is the average distance between two points on a circle?

Distance between two points on a circle varies from zero to diameter length. So Radius is the average.

## How do you find the equation of a line?

The equation of a line is typically written as y=mx+b where m is the slope and b is the y-intercept.

### Releated

#### How to write a regression equation

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#### Solving an absolute value equation

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