Interior angles add up to 180 degrees
Exterior angles add up to 360 degrees
There are three angles in a triangle but to measure them you would use a protractor.
If two angles of a triangle each measure 55 what is the measure of the third angle?
72, 72, 36
An equilateral triangle.
It is an isosceles triangle
An isosceles triangle has two equal angles.
Two angles of a triangle add up to 65°. What is the measure of the third angle?
The three interior angles add up to 180°. (180° is the measure of a triangle)
The sum of the interior angles of a triangle is equal to 180 degrees.
Equaliteral Triangle
an equilateral triangle :)
it is an issosolesse triangle