−4 + 7(1 − 3m)
3 - 21m
Measure of sum of complementary angles(272).jpg)
90 Degrees
find x.

53
Solve for x.
3x+7=13
x=2
how many angles formed by 2 parallel lines and 1 transversal?
8 angles
- (5a – 7b + 9)
-5a + 7b - 9
Measure of sum of supplementary angles
(272).jpg)
180 Degrees
Solve equation.
X=79
solve for x

x=8
what's the relationship of corresponding angles in parallel lines?
equal
10 − 5(9n − 9)
55 - 45n
In angles formed with parallel lines and a transversal how many measures of angles are there?

Two
solve the equation to find x and y

x=23
y=59/3
solve for x
3x + 5 = -16
x= -7
David’s parents have three sons: Snap, Crackle, and what’s the name of the third son?
David
7x – (4x + 6)
3x - 6
Vertically opposite angles are always __________
congruent (the same)
What is the measure of angle a?

a= 66°
solve for x
−8−2m=12
x=-10
You’re running a race and at the very end, you pass the person in 2nd place. What place did you finish the race in?
You finished in 2nd place.
−7(n + 3) − 8(1 + 8n)
-71n - 29
Solve equation?
x=7
What is the measurement of angles each angle

x=14
9x +12=138o
3x=42o
y=37
Solve for x
5 + 14x = 9x - 5
x=-2
Find the value of each angle
x= 30
y= 15
z= 150