Angles
Complementary angles add up to...
90 degrees
Solve x + 25 = 10
x = -15
How do you calculate the circumference of any circle?
pi * diameter
Supplementary angles add up to..
180 degrees
Solve 2x - 20 = -2
x = 9
The diameter of a circle is 12 cm. What is the radius?
6
Equal/congruent
Write an inequality to represent this situation:
You have at least $100 in your bank account
x >= 100
How do you calculate the area of a circle?
pi * radius * radius
Two angles are complementary. Angle 1 is 55 degrees. What is the measure of angle 2?
35 degrees
90 - 55 = 35
16 is greater than x
x is less than 16
What does circumference measure?
The distance around a circle
Two angles are supplementary. Angle 1 is two times the size of angle 2. What is the measure of angle 2?
180/3 = 60
Angle 1 = 60
Write three numbers that could be possible solutions to the inequality
x < - 10
-12, -20, -100
How do you calculate the volume of any prism?
Area of the base * height