Radius/Diameter
Part of the wall covered by a circular mirror
Circumference or area?
Area
Find Area when Radius = 4
50.24
112
121
If the diameter is 22 what is the RADIUS?
11
Amount of fencing needed for a circular garden
Circumference or area?
What is the area of a circle with a diameter of 4?
12.56
What is the circumference of a circle with a radius of 10?
62.8
What is the formula for calculating the circumference of a circle?
pi x diameter
If the radius is 4.4 what is the DIAMETER?
8.8
A rope tied to a pole in the center of a pool and its outer edge
Radius or diameter?
Radius
What is the area of a circle with a diameter of 10?
78.5
What is the circumference of a circle with a diameter of 100?
314
Describe the difference between radius and diameter.
Diameter goes edge to edge through the center and radius goes from the center to the edge.
If the radius is 5.8 what is the DIAMETER?
11.6
Ava needed to know how much ribbon to purchase to line a circular pin she was making. She measured all the way across it through the middle and found it to be 9.2 cm. How much ribbon does she need?
28.888 cm
Find the area of a circle with a circumference of 6pi
28.26
What is the circumference of a circle with a diameter of 3.1?
9.734
What is the formula for calculating area? What are the two ways to write it?
A = pi x r2 or A = pi x r x r
If the diameter is 24.4 what is the RADIUS?
12.2
Josh wanted to find the amount of space a circular poster was taking up on his wall. He measured from the very bottom to the very top and got 16 inches. How much space is it occupying?
200.96 in2
What is the difference in areas of a circle with a diameter of 2 and a circle with a radius of 8?
197.82
What is the circumference of a circle with a radius of 2.6?
16.328
54.76