properties of triangles/quadrilaterals

Front

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

Back

180 degrees

Front

What is a triangle with one angle greater than 90 degrees called?

Back

Obtuse triangle

Front

What is a triangle with all sides of different lengths called?

Back

Scalene triangle

Front

What is a quadrilateral with only one pair of parallel sides called?

Back

Trapezoid

Front

What is a quadrilateral with opposite sides that are equal and parallel called?

Back

Parallelogram

Front

What is a quadrilateral with all sides equal and opposite angles equal called?

Back

Rhombus

Front

How many degrees are in a right angle?

Back

90 degrees

Front

What is the relationship between the angles in a triangle?

Back

The sum of the angles equals 180 degrees.

Front

What is a triangle with all angles less than 90 degrees called?

Back

Acute triangle

Front

What is the name of a quadrilateral with four right angles?

Back

Rectangle