The radius is 16cm. What is the diameter?
32cm
What part of the circle is the circumference?
The perimeter (all the way around).
23
The radius is 2yds. What is the area of the circle?
12.56yds2
What is the line that goes halfway across a circle called?
Radius
The diameter is 84in. What is the radius?
42in
The diameter is 13ft. What is the circumference?
40.82ft
What is my favorite NFL team?
Green Bay Packers
The radius is 14ft. What is the area of the circle?
615.44ft2
What is the line that goes all the way across a circle called?
Diameter
The radius is 8.5mm. What is the diameter?
17mm
The diameter is 10in. What is the circumference?
31.4in
What is my favorite color?
Green
The diameter is 28in. What is the area of the circle?
615.44in2
What is the formula for area of a circle?
πr2
The diameter is 27mi. What is the radius?
13.5mi
The radius is 4mi. What is the circumference?
25.12mi
What is my wifes name?
Samantha
The diameter is 33mm. What is the area of the circle?
854.865mm2
What is the definition of a circle?
A 2D shape where the entire outer edge is equally far away from the center.
The diameter is 45.5m. What is the radius?
22.75m
The radius is 6.5ft. What is the circumference?
40.82ft
What is my dogs name?
Boulder
The radius of a semi-circle is 8in. What is the area of the semi-circle?
100.48in2
What is the perimeter of a semi-circle with a diameter of 30ft?
77.1ft