Angles
Polygons
Triangles
Quadrilaterals
Language of the Discipline
100
This angle is less than 90 degrees.
What is an acute angle?
100
True or false: a polygon is allowed one round side.
What is false?
100
This triangle has only two equal sides.
What is an iscoceles triangle?
100

A closed shape with 4 sides

What is a quadrilateral?

100

This describes lines that will never cross.

What is parallel?

200
This angle is more than 90 degrees.
What is an obtuse angle?
200
True or false: an "x" pattern is an example of a polygon.
What is false?
200

This is a triangle with three equal sides.

What is an equilateral triangle?

200

This quadrilateral has 4 right angles and 4 equal sides.

What is a square?

200

These lines cross to form right angles.

What is perpendicular?

300
This is a 90 degree angle.
What is a right angle?
300
This polygon has five sides.
What is a pentagon?
300
This triangle has three acute angles.
What is an acute triangle?
300

This quadrilateral has 4 right angles and 2 pairs of equal sides.

What is rectangle?

300

This is a synonym for lines that cross.

What is intersect?

400
This is what you get when you add two right angles.
What is a straight angle?
400
This polygon has something in common with an octupus.
What is an octogon?
400
This triangle has a 90 degree angle.
What is a right triangle?
400

This polygon has 2 sets of parallel lines, all sides equal, but there are no right angles?

What is a rhombus?

400

This is polygon had six sides.

What is a hexagon?

500
This is a 180 degree angle.
What is a straight angle?
500
This polygon has four sides.
What is a quadrilateral?
500
This triangle has no equal sides.
What is a scalene triangle?
500

This quadrilateral has exactly one pair of parallel lines.

What is a trapezoid?

500

This is the Latin prefix for 10.

What is deca?

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