Basics
Angles
Triangles
Name that shape
Complement/Supplement
100
What is this called?
A line
100
What type of angle is this angle?
obtuse angle
100
A triangle with one right angle is called?
a right triangle
100
What is the name of a shape with 9 sides?
nonagon
100
Complementary angles add to how many degrees?
90o
200
True or false.
Parallel lines cross each other
False
200
What type of angle is exactly 180o ?
straight angle
200
A triangle with one angle that is more that 90o
obtuse triangle
200
What is the name of a shape with 3 sides?
Triangle
200
Supplementary angles add to how many degrees?
180o
300
What is this called?
A ray
300
How many degrees in a right angle?
90
300
A triangle has angles 60o, 60o, and 60o
What type of triangle is this?
acute or equilateral
300
What is the name of a polygon with 5 sides?
Pentagon
300
What is the supplement angle to 55o?
125o
400
What is this called?
line segment
400
What angle is greater than 0o but less than 90o
acute
400
A triangle with no equal sides is called?
scalene
400
Which polygon has 4 sides?
Quadrilateral
400
What is the complement to an 18o angle?
72o
600
What are lines that intersect at right angles called?
Perpendicular lines
600
Two angles that are next to each other are called...
Adjacent angles
600
A triangle has side lengths 10in, 10in, and 5in. What kind of triangle is this?
Isosceles
600
What is the name of a shape with 8 sides?
Octagon
600
Find the supplement of an angle that is 64o
116o