Interior And Exterior Triangle Angle Calculator. Enter the total number of sides of a polygon into the calculator to determine the exterior angle. Exterior angle interior angle other interior angle 3x - 10 25 x 15 3x - 10 x 40 3x x 50 2x 50 x 25 Remember that x is not the answer here.
Gradually move the Scale below to 0. For the triangle shown we can see it has textcolorred3 sides so to calculate an exterior angle we do. Conjectures In Geometry Exterior Angles.
1n n - 2 180.
Calculate the sum of interior angles calculate the sum of interior angles calculate the sum of interior angles formula applied to irregular hexagon. In the app below an exterior angle of a triangle is shown. What do you notice about exterior angles. 1n n - 2 180.