Unit 4 Review

Front

What is the measure of the missing angle if the other angles are 90° and 40°?

Back

The measure of the missing angle is 50°.

Front

What does AAS stand for in triangle congruence?

Back

AAS stands for Angle-Angle-Side, a rule used to prove triangles are congruent.

Front

Which triangle congruence test is NOT valid?

Back

SSA is NOT a valid test to prove triangles congruent.

Front

What type of triangle has two sides of equal length?

Back

An isosceles triangle has two sides of equal length.

Front

Set up an equation to find x: 52 + 5x + 16 = ?

Back

The equation is 52 + 5x + 16 = 10x + 8.

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 definition of congruent triangles?

Back

Congruent triangles are triangles that are identical in shape and size.

Front

What does SAS stand for in triangle congruence?

Back

SAS stands for Side-Angle-Side, a rule used to prove triangles are congruent.

Front

What is the definition of an equilateral triangle?

Back

An equilateral triangle is a triangle with all three sides of equal length.

Front

How do you determine if two triangles are congruent using AAS?

Back

If two angles and a non-included side of one triangle are equal to two angles and the corresponding non-included side of another triangle, they are congruent.