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distance formula of two points. D x 2 x 1 2 y 2 y 1 2. We will use the distance formula derived from Pythagorean theorem.
The Pythagorean Theorem a2 b2 c2 a 2 b 2 c 2 is based on a right triangle where a and b are the lengths of the legs adjacent to the right angle and c is the length of the hypotenuse. Given the center and a point on the circle you can use this formula to find the radius of the circle. Distance x 2 x 1 2 y 2 y 1 2.
Distance x 2 x 1 2 y 2 y 1 2.
The formula for distance between two point x1 y1 and x2 y2 is. Given the two points x1 y1 and x2 y2 they only indicate that there is a first point. We can get above formula by simply applying Pythagoras theorem. In a 2 dimensional plane the distance between points X 1 Y 1 and X 2 Y 2 is given by the Pythagorean theorem.