Which of the following circles has the greatest circumference? Use 3.14 for pi.
A. A circle with radius 4 meter
B. A circle with diameter 7 meters
C. A circle with circumference 24 meters
D. A circle with circumference 5 pi.
To find the circle with the greatest circumference among the given options, we need to compare the circumferences of each circle.
A. A circle with radius 4 meters:
The formula to calculate the circumference of a circle is given by C = 2πr, where r represents the radius of the circle.
So, for this circle, the circumference would be C = 2 * 3.14 * 4 = 25.12 meters.
B. A circle with diameter 7 meters:
The formula to calculate the circumference of a circle using the diameter is given by C = πd, where d represents the diameter of the circle.
So, for this circle, the circumference would be C = 3.14 * 7 = 21.98 meters.
C. A circle with circumference 24 meters:
Since the circumference of this circle is already given, we don't need to perform any calculations. The circumference of this circle is 24 meters.
D. A circle with circumference 5π:
We can directly compare this circumference with the other options. The circumference of this circle is 5 * 3.14 = 15.7 meters.
Comparing all the options, we can see that:
A: 25.12 meters
B: 21.98 meters
C: 24 meters
D: 15.7 meters
So, the circle with the greatest circumference among the given options is option A, a circle with radius 4 meters.
pls help
A. C = 2πr = 8π
B. C = πd = 7π
C. C = 24 = 7.6π
D. C = 5π
so, ...