Triangles
Protractors
Lines and Line Relationships
Right Angles
Polygons
100
What is a triangle with one 90 degree angle called?
right triangle
100
What is 160 degrees?
100
What is a pair of lines that will never intersect, because they are the same distance apart at every point called?
parallel lines
100
The measure (in degrees) of a right angle
What is 90 degrees
100
What is a polygon with four sides called?
quadrilateral
200
What is a triangle with all three angles measuring less than 90 degrees?
acute triangle
200
What is 55 degrees?
200
What is a pair of lines called that form a 90 degree angle when they intersect?
perpendicular lines
200
The type of lines that form a right angle
What are perpendicular lines?
200
What is a polygon with 5 sides called?
pentagon
300
What is a triangle that has one angle that measures more than 90 degrees?
obtuse triangle
300
What is 153 degrees?
300
What are lines that cross each other called?
intersecting lines
300
This special shape has only one right angle
What is a triangle?
300
What is a polygon with 6 sides called?
hexagon
400
A triangle has an angle measuring 15° and another measuring 85°, this is the third angle.
What is 80°?
400
What is 124 degrees?
400
What is a set of points that come together to form a path called?
a line
400
This shape has four right angles and only opposite sides are congruent
What is a rectangle?
400
What is a 7-sided polygon called?
heptagon
500
What is a three-sided polygon called?
triangle
500
What is 18 degrees?
500
Perpendicular lines can also be classified as what kind of lines?
intersecting lines
500
This shape has four right angles and all sides are congruent
What is a square?
500
What is an 8 sided polygon called?
octagon