Shapes and Angles

Front

A triangle with three uneven sides.

Back

Scalene Triangle

Front

A triangle with two equal sides and two equal angles.

Back

Isosceles Triangle

Front

What is an angle that measures exactly 90°?

Back

Right Angle

Front

A polygon with five sides.

Back

Pentagon

Front

A triangle with three equal sides and three equal angles.

Back

Equilateral Triangle

Front

What do you call a shape with four equal sides and four right angles?

Back

Square

Front

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

Back

180°

Front

What is a shape with six sides called?

Back

Hexagon

Front

What is the term for an angle less than 90°?

Back

Acute Angle

Front

What is the term for an angle greater than 90° but less than 180°?

Back

Obtuse Angle