What angle is less than 90 degrees?
An acute angle!
What are parallel lines?
Parallel lines are lines that never touch!
2/3 + 1/3 =
3!
1/2 - 1/2 =
2/3 x 1 =
2/3
What angle is 90 degrees
A right angle
A triangle with a right angle is called a what?
A right triangle!
3/6 + 1/6=
4/6 or 2/3
2/4 - 1/4 =
1/4
2/4 or 1/2
How many degrees is a straight angle?
180 degrees!
What is a quadrilateral?
A shape with four sides!
1/2 + 1/2 =
1!
2 2/3 - 1 1/3 =
1 1/3
3/6 x 4 =
2
Find the missing angle. If a right angle is split into two, and one angle is 30 degrees, what is the other angle?
60 degrees.
Lines that cross and make 90 degrees!
7/10 + 8/10 =
1 5/10 or 1 1/2
7 1/4 - 5 3/4 =
1 1/4
3/4 x 5 =
3 3/5
How many degrees is an obtuse angle?
An obtuse angle is greater than 90, but less than 180.
A triangle with all sides equal is called an....
equilateral triangle!
23/2 + 14/2 =
18 1/2
3 1/3
7/8 x 6 =
5 2/8 or 5 1/4