Geometry Triangles

Front

What are the three types of triangles based on their angles?

Back

Acute, Right, and Obtuse.

Front

What is an acute triangle?

Back

A triangle where all three angles are less than 90 degrees.

Front

What is a right triangle?

Back

A triangle that has one angle equal to 90 degrees.

Front

What is an obtuse triangle?

Back

A triangle where one angle is greater than 90 degrees.

Front

What is the sum of the angles in any triangle?

Back

180 degrees.

Front

What is the Triangle Inequality Theorem?

Back

The sum of the lengths of any two sides of a triangle must be greater than the length of the third side.

Front

If a triangle has angles measuring 74°, 90°, and 16°, what type of triangle is it?

Back

It is a right triangle.

Front

Can a triangle have exactly one acute angle?

Back

Yes, a triangle can have one or more acute angles.

Front

What is the range of possible lengths for the third side of a triangle with sides measuring 7 ft and 13 ft?

Back

More than 6 ft but less than 20 ft.

Front

What is the definition of a scalene triangle?

Back

A triangle with all sides of different lengths.