Congruent Triangles

Front

What are congruent triangles?

Back

Triangles that have the same size and shape, meaning their corresponding sides and angles are equal.

Front

What is the symbol used to denote congruence?

Back

The symbol for congruence is '≅'.

Front

How many sides does a triangle have?

Back

A triangle has three sides.

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 degrees.

Front

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

Back

An acute triangle.

Front

What type of triangle has one angle that is exactly 90 degrees?

Back

A right triangle.

Front

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

Back

An obtuse triangle.

Front

If two triangles are congruent, what can be said about their corresponding sides and angles?

Back

Their corresponding sides and angles are equal.

Front

What is the criteria for triangle congruence known as SSS?

Back

SSS stands for Side-Side-Side, meaning if three sides of one triangle are equal to three sides of another triangle, the triangles are congruent.

Front

What is the criteria for triangle congruence known as SAS?

Back

SAS stands for Side-Angle-Side, meaning if two sides and the included angle of one triangle are equal to two sides and the included angle of another triangle, the triangles are congruent.