Geometry 1st Sem Review 23 24

Front

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

Back

The sum of the interior angles of a triangle is 180 degrees.

Front

Define an isosceles triangle.

Back

An isosceles triangle is a triangle that has at least two sides of equal length.

Front

What is the Pythagorean theorem?

Back

Front

What is the formula for the area of a triangle?

Back

Front

What is the definition of a scalene triangle?

Back

A scalene triangle is a triangle in which all three sides are of different lengths.

Front

How do you find 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 non-adjacent interior angles.

Front

What is the relationship between the sides of a triangle?

Back

The sum of the lengths of any two sides of a triangle must be greater than the length of the third side (Triangle Inequality Theorem).

Front

Define an equilateral triangle.

Back

An equilateral triangle is a triangle in which all three sides are of equal length and all three angles are equal to 60 degrees.

Front

What is the formula for the circumference of a circle?

Back

Front

What is the definition of complementary angles?

Back

Complementary angles are two angles whose measures add up to 90 degrees.