Circle Basics
A line from the outside to the center of the circle
What is the radius?
The area of a circle formula
What is pi r squared?
The center of (x - 4)^2 + (y - 3)^2 = 4
What is (4,3)?
See Mr. P's Drawing (6)
What is 10
See Mr. P's Drawing (1)
What is arc FE
A special chord that goes through the center, 2 radii fit in this line
The 2 circumference formulas
What is 2 pi r and pi d?
The radius of (x - 4)^2 + (y - 3)^2 = 4
What is 2?
See Mr. P's Drawing (2)
What is 2
See Mr. P's Drawing (5)
What is a minor arc
What is a chord?
Solve for the circumference if the radius is 5 mm, keep in terms of pi
What is 10 pi?
The center of (x + 8)^2 + (y - 6)^2 = 169
What is (-8,6)?
See Mr. P's Drawing (4)
What is 5
See Mr. P's Drawing (9)
What is 120
A line that touches the circle once on the outside
What is a tangent?
Solve for the area of a circle if the diameter is 18 in, keep in terms of pi
What is 81 pi?
The radius of (x + 8)^2 + (y - 6)^2 = 169
What is 13?
See Mr. P's Drawing (5)
What is 4
See Mr. P's Drawing (11)
What is 306
A line that touches the outside of the circle twice and extends outside the circle
What is a secant?
Solve for the area of a circle if the circumference is 26 pi, keep in terms of pi
What is 169 pi?
The directions you go from the center to graph a circle
What is North(Up), South(Down), East(Right) and West(Left)?
See Mr. P's Drawing (3)
What is 9
See Mr. P's Drawing (15)
What is 8