Lines
Angles
Triangles
Quadrilaterals
Random
100
two lines that are the same distance apart and will never touch 
parallel lines
100
This is the term for a 90 degree angle 
right angle
100
A triangle that has all sides the same length
equilateral
100
This is the number of sides on a quadrilateral 
What is 4
100
A shape that has 6 sides is called 
a hexagon
200
lines that intersect to form a right angle:
perpendicular
200
An angle that is less than 90 degrees 
acute angle 
200
A triangle with two sides the same length
isosceles
200
this is the number of degrees all angles of a quadrilateral will add up to
360 degrees
200
A shape with 5 sides is called 
a pentagon
300
this has one endpoint and continues in one direction forever
ray
300
an angle that is greater than 90 degrees 
obtuse angle
300
A triangle with one angle greater than 90 degrees 
obtuse triangle
300
This is a quadrilateral with two pairs of opposite sides parallel and 4 right angles
a rectangle
300
A right triangle has one angle that is 45 degrees. What is the measure of the 3rd angle 
45 degrees
400
This is part of a line. It has two points.
a line segment
400
this is the number of degrees in a straight angle 
180 degrees
400
A triangle with a 90 degree angle and no sides the same length
right scalene triangle
400
This is a quadrilateral with two pairs of opposite sides parallel and all sides the same length. (it does not have to have right angles) 
a rhombus
400
If the sum of all the angles in a quadrilateral is 360 degrees, and three of the angles measure 100°, 100°, and 60°, what is the measure of the fourth angle?
100 degrees
500
This is a closed figure with at least 3 sides. 
a polygon
500
This tool is used to measure angles
a protractor
500
All angles in every triangle will add up to this number of degrees
180 degrees
500
This is a quadrilateral with only one pair of opposite sides parallel 
a trapezoid
500
A boat has a sail with one pair of perpendicular lines, and two sides the same length. What kind of triangle is it?
Right isosceles triangle