Show:
Lines
Polygons
Angles
Circles
Formulas
100
A point at one end and an arrow at the other
What is a ray?
100
A quadrilateral has this number of sides
What is 4?
100
This angle measures 90 degrees
What is a right angle?
100
The distance around the outside of a circle
What is circumference?
100
Formula for the circumference of a circle
What is pi x diameter
200
It only part of a line
What is a line segment?
200
An octagon has this number of angles
What is 8?
200
This angle measures 180 degrees
What is a straight angle?
200
A line segment that contains two points on a circle and the center point
What is the diameter?
200
Formula for the area of a rectangle
What is length x width?
300
Two lines that never cross each other
What are parallel lines?
300
This polygon has only one set of parallel lines
What is a trapezoid?
300
This angle measures less than 90 degrees
What is an acute angle?
300
A portion of the circumference of a circle
What is an arc?
300
Formula for the area of a circle
What is pi x the radius squared
400
Lines that cross at a point
What are intersecting lines?
400
This polygon has four equal length sides
What is a square?
400
This angle measures more than 90 degrees
What is an obtuse angle?
400
A line segment that contains two points on a circle but not the center point
What is a chord?
400
Formula for the volume of a rectangle
What is length x width x height?
500
Lines that cross at a point forming a right angle
What are perpendicular lines?
500
This polygon has three sides, none of which are the same length
What is a scalene triangle?
500
This is the tool to use to measure an angle
What is a protractor?
500
The measure from the center point of a circle to the outside edge
What is the radius?
500
Formula for the area of a triangle
What is 1/2 base x height?