divide the sum of interior angles in a triangle by 3 In an isosceles triangle, two of the sides are equal. This means two of the angles are equal. These are the base angles. The base angles are ...

Big Idea – We can describe, measure, and compare ... like symmetrical movement, equal angles, and equal sides. You'll be using Sketch 1 of this file which has three different types of triangles - ...

Therefore, an accurate measurement of the heap shape offers useful information ... The repose angle is the angle of the isosceles triangle that has the same surface like the projected image of the ...