circle area
circle cicumferece
SOH CAH TOA
Solve for x
Random
100
What is the area of a circle with a radius of 1? 
pi
100
What is the circumference of a circle with a diameter of 1? 
c=pid =pi(1) = pi = 3.14
100
Sin (x) equals?
(Opposite)/(Hypothenuse)
100
2x = 20
x = 10
100
92
81
200
What is the area of a circle of radius 2? 
4pi = 12.56
200
What is the circumference of a circle with diameter of 2?
2pi = 6.28
200
cos (x) equals?
(Adjacent)/(Hypothenuse)
200
x - 5 = 12
x = 17
200
√9
3
300
What is the area of a circle with a diameter of 6? 
if the diameter=6, then the radius is 3.
9 pi = 28.26
300
What is the circumference of a circle
with radius 1?
if the radius is 1, then the diameter is 2. so
c=pid. c= pi2= 6.28
300
tan (x) equals?
(Opposite)/(Adjacent)
300
x^2 = 169
x = 13
300
What is the Pythagorean Theorem
a2 + b2 + c2
400
What is the area of a circle with diameter 7? 
pi(7/2)^2 = pi(3.5)^2 = 38.465
400
What is the circumference of a circle with radius 3? 
6pi = 18.84
400
What is the length of the hypotenuse?
8/cos25
400
(x + 3)^2 = 9
x = 0
400
What do you call the line from the center of the circle to the outside of the circle?
radius
500
A circle has an area of
25pi
What is the radius of the circle?
pir^2 =25pi
r^2 = 25
r=5
500
A circle has a circumference of 31.4 feet. How long is the diameter?
c=pid
10 feet
500
Solve for x:
Cos (x) = 2/3
x = 48
500
Solve and simplify
5x^2 = 100
2 squareroot 2 5
500
What do you call the line that goes across the circle through the center?
diameter