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how to find the distance between two points of a triangle. D sqrt x_2 - x_12 y_2 - y_12 d x2. Two squared plus nine squared plus nine squared is going to be equal to our hypotenuse square which Im just calling C is going to be equal to C squared which is really the distance.
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Since distance d is positive we can eliminate. To find the length c take the square root of both sides of the Pythagorean Theorem. Substitute in the values.
Find the coordinates of EThe y coordinate of E must be the same as C and the x coordinate is given by substituting that y into the line equation and solving for x.
This can be done in elementary terms. If the coordinates of the two points are x1 y1 and x2 y2 the distance equals the square root of x2 x1 squared y2 y1 squared. The distance formula can be obtained by creating a triangle and using the Pythagorean Theorem to find the length of the hypotenuse. The distance between two points calculation formula is similar to the right triangle rule where the squared hypotenuse is equal to the sum of the squares of the other two sides.
