Geometry Study Guide-BMHS

Front

What is the measure of each angle in an equilateral triangle?

Back

Each angle measures 60 degrees.

Front

What type of triangle has two equal sides?

Back

An isosceles triangle.

Front

In an isosceles triangle, if the tip angle is 24 degrees, what are the measures of the base angles?

Back

Each base angle measures 78 degrees.

Front

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

Back

The sum is always 180 degrees.

Front

If one angle of a triangle is 90 degrees, what type of triangle is it?

Back

It is a right triangle.

Front

What is the formula for the area of a triangle?

Back

Area = 1/2 * base * height.

Front

What do you call a triangle with all sides of different lengths?

Back

A scalene triangle.

Front

If the angles of a triangle are 30 degrees, 60 degrees, and 90 degrees, what type of triangle is it?

Back

It is a right triangle.

Front

What is the relationship between the angles in a triangle?

Back

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

Front

If two angles of a triangle are 45 degrees each, what is the measure of the third angle?

Back

The third angle measures 90 degrees.