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An exterior angle of a triangle is equal to the sum of the opposite interior angles. Every triangle has six exterior angles (two at each vertex are equal in measure). The exterior angles, taken one at each vertex, always sum up to 360 ° 360\degree 360° .
- Law of Sines
This law of sines calculator is a handy tool for solving...
- Law of Sines
This free triangle calculator computes the edges, angles, area, height, perimeter, median, as well as other values and a diagram of the resulting triangle.
The calculator will try to find all sides and angles of the triangle (right triangle, obtuse, acute, isosceles, equilateral), as well as its perimeter and area.
Quadrilateral. Circle. Parallels. Angles Calculator - find angle, given two angles in a triangle.
Drag the colored points about to change the triangle. Gradually move the Scale below to 0. What do you notice about exterior angles?
An exterior angle of a triangle is the angle formed by one side of the triangle and the extension of an adjacent side. How to calculate an exterior angle? Subtract the interior opposite angle from 180 degrees.
Our triangle angles calculator makes it easy for you to find the measures of the vertex angles in your triangle. Simply enter the lengths of the three sides, and the calculator will automatically calculate the measure of the three angles.
