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how do you find the area of a triangle in coordinate geometry. If any 2 sides have equal side lengths then the triangle is isosceles. This formula allows you to calculate the area of a triangle when you know the coordinates of all three vertices.
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Given the coordinates of the triangles vertices to prove that a triangle is isosceles plot the 3 points optional use the distance formula to calculate the side length of each side of the triangle. To solve the problem the given components are just the coordinates of the mid-points. Lets practice finding area of a triangle when coordinates of all vertices are given.
To use this formula you need the measure of just one side of the triangle plus the altitude of the triangle perpendicular to the base drawn from that side.
If one of the vertices of the triangle is the origin then the area of the triangle can be calculated using the below formula. If x1 x2 x2 y2 and x3 y3 are the coordinates of vertices of triangle then Area of Triangle Now we can easily derive this formula using a small diagram shown below. You can also drag the origin point at 00. We have a formula which can be directly used on the vertices of triangle to find its area.
