Angles in a Triangle

Front

What is the sum of the interior angles in a triangle?

Back

Front

What is the measure of an exterior angle of a triangle?

Back

The measure of an exterior angle of a triangle is equal to the sum of the measures of the two opposite interior angles.

Front

Back

Front

What is the relationship between the angles in an isosceles triangle?

Back

In an isosceles triangle, the angles opposite the equal sides are equal.

Front

What is the definition of a right triangle?

Back

Front

How do you find the measure of an unknown angle in a triangle?

Back

Front

What is the measure of the angles in an equilateral triangle?

Back

Front

What is the formula for the sum of angles in any polygon?

Back

Front

What is the definition of complementary angles?

Back

Front

What is the definition of supplementary angles?

Back