Circumference
What is the formula for circumference?
pi times diameter
If the radius is 10, what is the area?
314
All points on a circle's edge are the same distance from the...
Center
What do you have to do different when finding the area/circumference of a semi-circle?
Divide by 2
Do you add the diameter back for area or circumference?
Circumference
If the diameter is 7, what is the circumference?
21.98
What is the formula for area?
pi times the radius2
What is the curved part of a circle called?
Arc
What is the area of a semi-circle with a radius of 2?
6.28
What do you have to do differently when finding the area/circumference of a quadrant?
Divide by 4
If the radius is 4, what is the circumference?
25.12
If the radius is 11.2, what is the area?
393.8816
What does area of a circle describe?
The space inside a circle
What is the area of a semi-circle with a radius of 23?
830.53
What is the area of a quadrant with a radius of 6?
28.26
If the diameter is 1.9, what is the circumference?
5.966
If the diameter is 10, what is the area?
78.5
The radius is _______ the diameter
Half
What is the circumference of a semi-circle with a diameter of 5?
12.85
What is the area of a quadrant with a radius of 4?
12.56
If the circumference is 43.96, what is the diameter?
14
If the area is 28.26, what is the radius?
3
The distance around the edge of a circle is the...
What is the circumference of a semi-circle with a diameter of 13?
33.41
What is the circumference of a quadrant with a radius of 12?
42.84