# Triangle calculator VC

Please enter the coordinates of the three vertices

The distance formula is a mathematical formula used to calculate the distance between two points in a plane. It can be used to find the length of each side of a triangle, given the coordinates of the vertices. The distance formula is:

d = √((x2 - x1)

^{2}+ (y2 - y1)

^{2})

Where d is the distance between the two points, (x1, y1) and (x2, y2) are the coordinates of the two points.

Once you have the lengths of all three sides, you can use the Law of Cosines to find the measure of each angle in the triangle. The Law of Cosines states that:

c

^{2}= a

^{2}+ b

^{2}- 2ab * cos(C)

where c is the length of the side opposite angle C, a and b are the lengths of the other two sides, and C is the measure of the angle opposite side c.

You can use this formula to find the measure of each angle by plugging in the known side lengths and solving for the angle.

The calculation continues of the unknown triangle parameters using the identical procedure as in the SSS triangle calculator.

### Triangle in analytical problems:

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#### Look also at our friend's collection of math problems and questions:

- triangle
- right triangle
- Heron's formula
- The Law of Sines
- The Law of Cosines
- Pythagorean theorem
- triangle inequality
- similarity of triangles
- The right triangle altitude theorem