Classify Triangles and Quadrilaterals

Front

What type of triangle has two sides of equal length?

Back

Isosceles Triangle

Front

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

Back

Scalene Triangle

Front

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

Back

Acute Triangle

Front

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

Back

Obtuse Triangle

Front

What is a triangle with one angle equal to 90 degrees called?

Back

Right Triangle

Front

What do we call a triangle with all sides and angles equal?

Back

Equilateral Triangle

Front

What is the term for a four-sided figure?

Back

Quadrilateral

Front

What type of quadrilateral has opposite sides that are parallel and equal in length?

Back

Parallelogram

Front

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

Back

Trapezoid

Front

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

Back

Rhombus