Lines
A ______ is a straight path that goes on forever in both directions.
Line
This type of angle forms a perfect square corner and measures exactly 90 degrees.
Right Angle
7 x 6
42
12 ÷ 6
2
A ___ is part of a line has two endpoints and does not go on forever.
Line Segment
This type of angle is smaller than a right angle and measures less than 90 degrees.
Acute Angle
70 x 7
140
222 ÷ 2
111
A ____ has one endpoint and goes on forever in one direction.
A Ray
This type of angle is larger than a right angle and measures more than 90 degrees.
Obtuse Angle
44 x 100
4400
140 ÷ 4
35
These two lines never touch and stay the same distance apart.
Parallel Lines
This type of angle forms a straight line and measures exactly 180 degrees.
Straight Angle
120 x 12
1,440
What number goes in the blank? ___ ÷ 6 = 7
42
These two lines cross and form a right angle (90 degrees)
Perpendicular Lines
If an angle measures 97 degrees, what type of angle is it?
Obtuse
88 x 71
6,248
I am a number that, when divided by 8, gives you 9. What number am I?
72