Triangles, Triangles, Triangles!

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 sides of different lengths?

Back

A scalene triangle has all sides of different lengths.

Front

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

Back

An obtuse triangle has one angle greater than 90 degrees.

Front

What is the definition of an acute triangle?

Back

An acute triangle is a triangle where all three angles are less than 90 degrees.

Front

What is the definition of a right triangle?

Back

A right triangle is a triangle that has one angle equal to 90 degrees.

Front

What is the definition of congruent triangles?

Back

Congruent triangles are triangles that are identical in shape and size, meaning all corresponding sides and angles are equal.

Front

What does SSS stand for in triangle congruence?

Back

SSS stands for Side-Side-Side, a criterion for triangle congruence where all three sides of one triangle are equal to the three sides of another triangle.

Front

What does SAS stand for in triangle congruence?

Back

SAS stands for Side-Angle-Side, a criterion for triangle congruence where two sides and the included angle of one triangle are equal to two sides and the included angle of another triangle.

Front

What is the formula to find the area of a triangle?

Back

The area of a triangle can be found using the formula: Area = 1/2 * base * height.

Front

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

Back

If one angle of a triangle is 90 degrees, it is a right triangle.