First, you have to know the formula that connects the circumference of
a circle to the diameter. You may have been out or asleep that day.
Circumference = (pi) x (diameter)
Plug the numbers you know into that formula.
23.56 = pi D
D = 23.56 / (pi)
That's it. We're sure you can handle the division and the rounding.
Use 3.14 for (pi).
Circumference of a circle = 2*pi*radius or pi*diameter Circumference = 21.67698931 or 21.7 meters to the nearest tenth
Circumference = pi * diameter = 3.14159 * 11.6 = 36.44 Rounded to the nearest ten, that is 40 units.
220 yards
15.28 inches
-- Multiply (pi) by (diameter of circle)OR-- Multiply (pi) by (2 times radius of circle)-- Then round the product to the nearest whole number.
Circumference of a circle = 2*pi*radius or pi*diameter Circumference = 21.67698931 or 21.7 meters to the nearest tenth
Circumference = pi * diameter = 3.14159 * 11.6 = 36.44 Rounded to the nearest ten, that is 40 units.
66 feet
220 yards
It depends on what the "32in" refers to: circumference, diameter, radius.
Assuming the question refers to a circle with a diameter of 0.9 metres, the circumference is 2.83 m = 2.8 metres to the nearest tenth.
15.28 inches
-- Multiply (pi) by (diameter of circle)OR-- Multiply (pi) by (2 times radius of circle)-- Then round the product to the nearest whole number.
The circumference of a 24-inch round (diameter) circle is: 75.4 inches.
You take the radius (or diameter). If radius you times it by two (since it is half of the Diameter) then times the answer by 3.14. If diameter, times the diameter by 3.14. then round the decimals.
If 34 inches is the radius or diameter of the circle, (or circumference?), it needs to be stated in the question! What is meant by "round circle?"
Circumference of a circle = 2*pi*radius or diameter*pi