Classify Triangles and Quadrilaterals

Front

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

Back

Acute triangle

Front

What is the main difference between a Trapezoid and a Parallelogram?

Back

A Trapezoid has 1 pair of parallel lines and a Parallelogram has 2 pairs of parallel sides.

Front

True or False: Trapezoids are quadrilaterals.

Back

True

Front

Which figure can be placed below the rectangle in the hierarchy of quadrilaterals?

Back

Square

Front

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

Back

Obtuse triangle

Front

What do you call a triangle with all sides of different lengths?

Back

Scalene triangle

Front

What is a quadrilateral with exactly one pair of parallel sides?

Back

Trapezoid

Front

What is a four-sided figure with opposite sides that are equal and parallel?

Back

Parallelogram

Front

What is the name of a quadrilateral with all sides and angles equal?

Back

Square

Front

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

Back

Right triangle