Definitions
what is a linear Pair
Adjacent angles that have a sum of 180 degrees
True or false, linear pairs have a sum of 90 degrees
False
What is 25% percent of 180?
45
75 is what percent of 150?
50%
Question 1: If <1 and <2 are vertical angles, they are also what?
Question 2: What do all the interior angles of a triangle have to equal?
Answer 1: Congruent
Answer 2: 180 degrees
What is an Intersecting line?
lines that cross or overlap
What is another way to name an angle A,B,C
C,B,A
B
What is the difference between finding the percent and the part?
percent= part/whole
part= whole * percent
20% of 75
15
Question 1: What does x equal? (show picture 3)
Question 2: Is this an obtuse, acute, or right angle?
Answer 1: x=26
Answer 2: obtuse
What is a straight angle
An angle that measures 180 degrees
If a triangle has two given measurements of 96 and 15 what does the other angle measure?
= 69 degrees
How do you convert a percent into a decimal?
Divide by 100
What is the percent equation to find the whole?
part / percent = whole
Question 1: Whats the opposite of an Alternate Exterior Angle?
Question 2: What are two ways you can describe angles 1 and 3? (show image 6)
Answer 1: Alternate Interior Angle
Answer 2: a. corresponding angles, b. congruent
What is a vertical angle
Vertical angles are created by intersecting lines, opposite or across from each other.
If a triangle has two given angles of 29 and 13 what does the other angle measure?
= 138 degrees
How do you convert a percent into a fraction?
percentage/100 and simplify
65% of 98?
63.70
Question 1: Is this angle obtuse, acute, or a right angle?
Question 2: How many degrees is a right angle?
Answer 1: Acute
Answer 2: 90 degrees
What is the definition of congruent?
Something that has the same measurement
What is the line “M’’ called?
Transversal
46% of 200?
92
What is the whole in what percent of 15 is 9?
15
Question 1: Solve for m (show picture 9)
Question 2: Solve x and y (show picture 10)
Answer 1: M=94 degrees
Answer 2: x=96 degrees, y=71 degrees