Included Sides and Included Angles of a Triangle

Front

What is the included angle between two sides of a triangle?

Back

The included angle is the angle formed between two sides of a triangle.

Front

What is the included side between two angles in a triangle?

Back

The included side is the side that lies between two angles in a triangle.

Front

Define an exterior angle of a triangle.

Back

An exterior angle of a triangle is formed by one side of the triangle and the extension of an adjacent side.

Front

What is the relationship between an exterior angle and the two remote interior angles?

Back

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

Front

Identify the included side between Angle A and Angle B in triangle ABC.

Back

The included side is Side AB.

Front

What is the measure of an angle in a triangle if the other two angles are 45° and 60°?

Back

The measure of the third angle is 75°.

Front

What is the definition of corresponding angles?

Back

Corresponding angles are angles that are in the same position on two parallel lines cut by a transversal.

Front

How do you find the measure of an angle in a triangle if you know the measures of the other two angles?

Back

You subtract the sum of the known angles from 180°.

Front

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

Back

The sum of the interior angles of a triangle is always 180°.

Front

What is the included angle between sides DE and DF?

Back

Angle D.