Circle Terms
What is a chord?
A line that touches two edges of the circle and doesn't travel through the center.
Formula for area?
π(r)^2
If the diameter is 3.95m, what is the circumference of the circle (rounded to the nearest hundredth)?
12.4m
If the circumference is 32.54cm, what is the diameter (rounded to the nearest hundredth)?
10.36m
What is circumference?
The perimeter of the circle
What is the area of the circle if it a radius of 59.37cm? (rounded to the nearest hundredth)
11,067.86cm^2
If the radius of the circle is 3.24cm, what is the circumference (rounded to the nearest hundredth)?
20.35cm
If the circumference is 34.2m, what is the radius of the circle (rounded to the nearest hundredth)?
5.45m
What is radius?
A line that travel's from the center of the circle to the edge of the circle?
What is the area of the circle if the diameter is 43.2cm (rounded to the nearest hundredth)?
1,465cm^2
If the radius is 37.59cm, what is the circumference of the circle (rounded to the nearest hundredth)?
236.07cm
If the circumference is 54.59mm, what is the radius of the circle (rounded to the nearest hundredth)?
8.69mm
What is diameter?
A line that travels from one edge of the circle to another traveling through the center of the circle.
If the diameter is 9.56cm, what is the area of the circle (rounded to the nearest hundredth)?
71.74cm^2
If the diameter is 403.53mm, what is the circumference (rounded to the nearest hundredth)?
1267.08mm
If the area is 55.3896mm^2, what is the radius of the circle (rounded to the nearest hundredth)?
4.2mm
Formulas for calculating the circumference of a circle?
c = π(d)
c = 2(π)(r)
If the circumference is 57.34cm what is the area of the circle (rounded to the nearest hundredth)?
261.77cm^2
If the area is 36.2984m^2, what is the circumference of the circle (rounded to the nearest hundredth)?
21.35m
If the area is 82.1525265m^2, what is the area of the circle (rounded to the nearest hundredth)?
10.23m