Polygons
Triangles
Quadrilaterals
Lines
Angles
100

A three sided polygon

What is a triangle?

100

A triangle with all sides congruent.

What is an equilateral triangle?

100

A quadrilateral with 4 congruent sides.

What is a rhombus?
100

A line that goes up and down like a string with a weight on one end.

What is a vertical line?

100

A 90 degree angle.

What is a right angle?

200

A four sided polygon.

What is a quadrilateral?

200

A triangle with 2 congruent sides.

What is an isosceles triangle?

200

A quadrilateral with 2 sets of parallel sides.

What is a parallelogram?

200

A line that goes sideways like looking at the horizon.

What is a horizontal line?

200

An angle less than 90 degrees. 

What is an acute angle?

300

A five sided polygon.

What is a pentagon?

300

A triangle with 3 different side lengths.

What is a scalene triangle?

300

A quadrilateral with 1 set of parallel sides.

What is a trapezoid?

300

Two lines that cross each other.

What are intersecting lines?

300
An angle larger than 90 degrees.

What is an obtuse angle?

400

A six sided polygon.

What is a hexagon?

400

A triangle with all acute angles.

What is an acute angled triangle?

400

A quadrilateral with 4 right angles.

What is a rectangle?

400

Lines that will never intersect.

What are parallel lines?

400

A round angle.

What is a whole or complete angle?

500

An eight sided polygon.

What is an octagon?

500

A triangle with a 90 degree angle.

What is a right angled triangle?

500
A rectangle with 4 congruent sides.

What is a square?

500

Lines that intersect to form right angles.

What are perpendicular lines?

500
An angle that looks like a line.

What is a straight angle?