Classifying Angles
Angles that are less than 90 degrees
What is acute angles?
What does this symbol mean? <
The measure
The little box in the corner of a triangle or any figure represents what?
What is a right angle?
The name given to two angles with a sum of 180 degrees?
What is supplementary angles?
Angles that are equal to 180 degrees
What is straight angles?
What does congruent mean?
The angles are equal in measure
Draw an Acute Angle and Tell me how many degrees are in your angle
The degrees must be less than 90
The name given to two angles with a sum of 90 degrees.
What is complementary angles?
Angles that are equal to 90 degrees
What is right angles?
You have two angles that are complementary. One angle is 89 degrees. What is the other angle?
One degree
Vertical angles are _____________________.
Draw a picture
What is congruent?
Triangle BIG: <1 = 50 degrees, <2 = 70 degrees. What is the measurement of <3?
What is 60 degrees?
Angles that are greater than 90 degrees but less than 180 degrees
What is obtuse angles?
Triangles that have three angles less than 90 degrees
What is acute triangles?
The sum of the angles of a triangle?
Draw a picture with the measure of the angles
What is 180 degrees?
One of a supplementary angles measures 100 degrees, what is the measure of the second angle?
80 degrees
The number of degrees in a triangle
What is 180 degrees?
You have two angles that are supplementary. One angle is 45 degrees.
1. Is the other angle acute, right, or obtuse?
2. What is the measure of the other angle?
1. Obtuse
2. 135 degrees
You have complementary angles.
1.Draw a picture of your angles
2. Give measures for each angle.
3. Make an equation for your angles
Two angles must equal 90 degrees
<A + <B = 90
Angles that share the same vertex and one ray (side).
What are adjacent angles?
What is the name for pairs of opposite angles formed by two intersecting lines?
What are vertical angles?
You have two vertical angles, and angle A is 75 degrees and angle B is 2x + 4.
1.What is the measure of angle B?
2. What type of Angle is Angle B? Acute, Obtuse, or Right?
A. 75 degrees
B. Acute
You have two angles that make a straight angle.
1. What type of angles do you have? Vertical, Complimentary, Supplementary?
2. Draw the straight angle with <A and < B
3. Write an equation using <A and < B
1. Supplementary
3. <A + <B = 180 degrees
What are the names of your two math teachers?
Which teacher is the math teacher and which teacher is the ML teacher?
1. Hutchison and Codner
2. Math - Hutchinson
ML - Codner