Review 5.1-5.2 Triangles Angles and Congruent Polygons

Front

The Triangle Sum Theorem states that the sum of all angles in a triangle is ______.

Back

180°

Front

What kind of triangle has all angles less than 90 degrees?

Back

Acute Triangle

Front

If two angles of a triangle are 30° and 70°, what is the measure of the third angle?

Back

80°

Front

Identify the triangle by its sides and angles: A triangle with one right angle and all sides of different lengths.

Back

Right Scalene Triangle

Front

What is the measure of angle x if it is the largest angle in a triangle with angles measuring 45° and 60°?

Back

75°

Front

What type of triangle has one angle greater than 90 degrees?

Back

Obtuse Triangle

Front

In a right triangle, what is the relationship between the angles?

Back

One angle is 90°, and the sum of the other two angles is 90°.

Front

What is an Isosceles Triangle?

Back

A triangle with at least two sides of equal length.

Front

What is the measure of each angle in an Equilateral Triangle?

Back

Each angle measures 60°.

Front

If a triangle has angles measuring 50° and 60°, what is the measure of the third angle?

Back

70°