Triangles, Triangles, Triangles!

Front

Classify this triangle by its sides and angles: A triangle with all angles less than 90 degrees and all sides of different lengths.

Back

Acute & Scalene

Front

What is the criteria for triangle congruence that states if three sides of one triangle are equal to three sides of another triangle?

Back

Congruent by SSS (Side-Side-Side)

Front

What is the criteria for triangle congruence that states if two sides and the included angle of one triangle are equal to two sides and the included angle of another triangle?

Back

Congruent by SAS (Side-Angle-Side)

Front

How many degrees are in a triangle?

Back

180 degrees

Front

If one angle of a triangle is 90 degrees, what type of triangle is it?

Back

Right triangle

Front

What do you call a triangle with one angle greater than 90 degrees?

Back

Obtuse triangle

Front

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

Back

180 degrees

Front

If two angles of a triangle are equal, what type of triangle is it?

Back

Isosceles triangle

Front

What is the term for a triangle with all sides of equal length?

Back

Equilateral triangle

Front

If a triangle has angles measuring 60 degrees, 60 degrees, and 60 degrees, what type of triangle is it?

Back

Equilateral triangle