In the equilateral triangle, all the sides are the same length and all the angles are the same size (congruent). Since the sum of the angles of a triangle is always 180 degrees, we can figure out the measure of the angles of an equilateral triangle.
Another Answer:-
An isosceles triangle has 2 equal base angles plus another angle and the 3 interior angles add up to 180 degrees.
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because an isosceles triangle or any kind of triangle is 180 degrees.
The right isosceles triangle has 180 degrees as all triangles do
In an isosceles triangle, the two angles at the bottom are equal. Subtract the sum of the two bottom angles from 180 to find how many degrees are in the top angle.
It only has two equal lengths out of however many sides like an isosceles triangle
A isosceles triangle can have two equal angles, but an equilateral triangle is actually a special isosceles triangle, so it could also have 3.