Flashcardizz: Triangle Test Review

Front

What is an isosceles triangle?

Back

An isosceles triangle is a triangle that has at least two sides of equal length.

Front

What is an equilateral triangle?

Back

An equilateral triangle is a triangle in which all three sides are of equal length.

Front

What is a scalene triangle?

Back

A scalene triangle is a triangle in which all three sides are of different lengths.

Front

What does congruent mean in geometry?

Back

Congruent means that two figures have the same shape and size.

Front

What is the ASA congruence rule?

Back

The ASA (Angle-Side-Angle) rule states that if two angles and the included side of one triangle are equal to two angles and the included side of another triangle, then the triangles are congruent.

Front

What is the AAS congruence rule?

Back

The AAS (Angle-Angle-Side) rule states that 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, then the triangles are congruent.

Front

What is the SSS congruence rule?

Back

The SSS (Side-Side-Side) rule states that if all three sides of one triangle are equal to all three sides of another triangle, then the triangles are congruent.

Front

What is the SAS congruence rule?

Back

The SAS (Side-Angle-Side) rule states that if two sides and the included angle of one triangle are equal to two sides and the included angle of another triangle, then the triangles are congruent.

Front

If ∆XYZ ≅ ∆KLM, what can we say about ∠Y?

Back

∠Y ≅ ∠L.

Front

How do you find the value of x in a triangle?

Back

To find the value of x, use the properties of triangles, such as the sum of angles in a triangle equals 180 degrees or the Pythagorean theorem for right triangles.