Quadrilateral
Triangles
Polygons
100

A shape that has 4 sides of any length and angles that can be any degree.

What is a quadrilateral?

100

a triangle in which all the angles are less than 90 degrees.

What is an acute triangle?

100

A shape with 5 sides.

What is a pentagon?

200

A shape that has 4 sides, two pairs of adjacent sides in which they are equal length. One pair of opposite angles that are equal in degree.

What is a kite?

200

A triangle in which all sides and angles are equal.

What is an equilateral triangle?

200

A shape with 6 sides.

What is a hexagon?

300

A shape that has 4 sides of any length and has only one pair of parallel sides. The angles can be any degree.

What is a trapezoid?

300

A triangle in which one angle is greater than 90 degrees.

What is an obtuse triangle?

300

A shape with 7 sides.

What is heptagon?

400

A shape that has 4 sides, opposite sides are equal in length, and opposite sides are parallel. Opposite angles are the same.

What is a parallelogram?

400

A triangle with two equal sides and two equal angles.

What is an isosceles triangle?

400

A shape with 8 sides.

What is an octagon?

500

A shape that has 4 sides, all sides are equal in length and opposite sides are parallel. Opposite angles are the same.

What is a rhombus?

500

A triangle with no equal sides and no equal angles.

What is a scalene triangle?

500

A shape with 9 sides.

What is a nonagon?