Diameter: Well, you said it yourself, 80 feet. Diameter is the distance across the widest part of a circle.
Radius: The radius of a circle is half of the diameter, so in this case, it would be 40 feet. The radius is the distance from the center of the circle to the outside.
Circumference: The formula for circumference is Pi (3.14 or 22/7) times the diameter. In this case, it would turn out to be 251.2 feet.
Area: The formula for the area of a circle is Pi time the radius squared. So, you square the radius and multiply that by Pi (3.14). In this case, it would be 15775.36 feet squared.
I hope I made sense.
:)
Diameter of a circle = circumference/pi
you do 80 divided by 2 divided by (pie) 3.14 wich gives you the radius..and then times the radius by two..
25.464
Circumference = 80*pi meters
A circle with a radius of 80 inches has a circumference of 502.65 inches, which is equal to 41.8875 feet. Therefore, it is greater than a circle with a circumference of 40.5 feet.
Diameter of a circle = circumference/pi
Diameter of a circle = circumference/pi
you do 80 divided by 2 divided by (pie) 3.14 wich gives you the radius..and then times the radius by two..
Circumference of a circle = π × diameter = π × 80 mm = 80π mm ≈ 251 mm
Diameter = 80/pi feet
The diameter is about 25.464 units.
25.464
Circumference = 80*pi meters
A circle with a radius of 80 inches has a circumference of 502.65 inches, which is equal to 41.8875 feet. Therefore, it is greater than a circle with a circumference of 40.5 feet.
It has a circumference of 251.33 inches.
Circumference = π*d = π*80 = 251.33 units
80 feet