Triangle Interior & Exterior Angles

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.

Tags

CCSS.8.G.A.5

Front

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

Back

It is a right triangle.

Tags

CCSS.4.G.A.2

Front

What is the measure of the third angle in a triangle if the other two angles are 30 degrees and 70 degrees?

Back

The third angle measures 80 degrees.

Tags

CCSS.8.G.A.5

Front

In a triangle, if two angles are equal, what type of triangle is it?

Back

It is an isosceles triangle.

Tags

CCSS.4.G.A.2

Front

What is the relationship between the exterior angle and the interior angles of a triangle?

Back

The exterior angle is equal to the sum of the two opposite interior angles.

Tags

CCSS.8.G.A.5

Front

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

Back

Subtract the sum of the known angles from 180 degrees.

Tags

CCSS.8.G.A.5

Front

What is the measure of angle A if angle B is 62 degrees and angle C is 58 degrees?

Back

Angle A measures 60 degrees.

Tags

CCSS.8.G.A.5

Front

What is the formula for the sum of the interior angles of a polygon with n sides?

Back

The sum of the interior angles of a polygon with n sides is (n-2) * 180 degrees.

Front

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

Back

Each angle in an equilateral triangle measures 60 degrees.

Tags

CCSS.8.G.A.5

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.

Tags

CCSS.8.G.A.5