−4 + 7(1 − 3m)
3 - 21m
Measure of sum of complementary angles
90 Degrees
Write the equation to find x.
x+37=90
Solve for x.
3x+7=13
x=2
16
10 − 5(9n − 9)
55 - 45n
Measure of sum of supplementary angles
180 Degrees
Write the equation (don't solve).
28o + xo + 73o = 180o
solve for x
x=8
A man was outside taking a walk when it started to rain. The man didn’t have an umbrella, and he wasn’t wearing a hat. His clothes got soaked, yet not a single hair on his head got wet. How could this happen?
He was bald!
- (5a – 7b + 9)
-5a + 7b - 9
In angles formed with parallel lines and a transversal how many measures of angles are there?
Two
Show the equation to find y
5y - 4 + 3y= 180
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
Vertical 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
How do we set up an equation to solve this?
x+16=4x -5
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