Polygons
This is a three-sided figure.
What is a triangle?
An angle is formed when these two things meet.
What are rays?
These two lines intersect at exactly 90 degrees.
What are perpendicular lines?
This is a triangle with no equal sides or angles.
What is a scalene triangle?
A square has this many lines of symmetry.
What is four?
This figure has five sides.
What is a pentagon?
The point where two rays meet to form an angle is called the __________ .
What is a vertex?
These lines cross over each other.
What are intersecting lines?
This triangle has three equal sides and three equal angles.
What is an equilateral triangle?
When a circle is divided into four equal parts, each interior angle will equal this amount.
What is 90 degrees?
This is a six sided figure.
What is a hexagon?
This type of angle measures greater than 90 degrees.
What is an obtuse angle?
This is a section of a line that contains two endpoints.
What is a line segment?
This triangle has only two equal sides and two equal angles.
What is an isosceles triangle?
Two angles make up a straight angle. The first angle measures 63 degrees. The second angle will equal this amount.
What is 117 degrees?
This shape has eight sides. It is also a traffic sign.
What is an octagon?
This type of angle measures less than 90 degrees.
What are acute angles?
This is a line with only one end point.
What is a ray?
All right triangles have one angle measure that is exactly this.
What is 90 degrees?
When added together, the angles inside a polygon will equal this amount.
What is 360 degrees?
This is a term used to describe four-sided figures.
What is a quadrilateral?
This tool allows people to measure angles.
What is a protractor?
True or false: A line never ends.
What is true?
When added together, all the angles in a triangle equal exactly this.
What is 180 degrees?
What is 8?