Types of Angles
An angle with a perfect L-shape is shown.
Right Angle
What does a right angle measure to?
90 degrees
Obtuse
Draw an intersecting line with and name each angle
Ms. Lester is looking for an answer!
what is the square root of 4?
2
An angle that stretches wider than a right angle, but not a straight line.
Obtuse angle
What is the longest an obtuse can measure to?
180 degrees
What would a 45 degree angle be called?
acute
What degrees is a straight line?
180
what is the square root of 9?
3
This angle looks narrow and sharp—like the tip of a triangle.
What is an acute angle?
Which angle is less than 90 degrees.
It's called an acute.
What would a 75 degree angle be called?
acute
when two lines intersect ____ angles are formed.
4
what is the square root of 49?
7
The angle shown forms a straight line.
straight angle
What is the angle that measures 180 degrees?
It is a straight angle
180 degree
Parallel lines ___ meet
Never
What is the square root of 81?
9
what is a common endpoint?
Vertex
Name all the angles.
Acute, Obtuse, Right angle, and straight.
How many degrees make a circle?
360 degrees.
What are the lines that cross over each other?
Intersecting Lines
what is the square root of 121?
11