The circumference of a circle with a diameter of 39 centimeters is about 122.5 cm (C = d x Pi)
Circumference equals pi times diameter. Therefore you divide 39 by pi and get about 12.41
39 inches / pi = 12.4 inches
First we have to find the radius: pi*radius2 = 120 sq ins Divide both sides by pi and then square root both sides: radius = 6.180387232 inches circumference = 2*pi*radius circumference = 38.83251825 or 39 inches to the nearest inch.
39 square centimeters is 6.04 square inches.
The circumference of a circle with a diameter of 39 centimeters is about 122.5 cm (C = d x Pi)
Circumference equals pi times diameter. Therefore you divide 39 by pi and get about 12.41
Stop getting us to do your homework....
The diameter will be 12.41408556 inches
Recall that the circumference of a circle is: C = πd where d is the diamater Let d = 39 m. Then: C = 39π m
Divide 39 by pi to find the diameter of circle 1 and then subtract four inches from your answer to give the diameter of circle 2.Circle 1 = 39/pi = 12.41408556 inchesCircle 2 = 12.41408556 - 4 = 8.41408556 inches
Estimate: 3*40 = 120 inches Actual: pi*39 = 122.5 inches to one decimal place
2*pi*39 measured in linear units
39 inches / pi = 12.4 inches
There are: pi*19.5 squared = 1194.591 square inches or about 8.296 square feet rounded to 3 dp
First we have to find the radius: pi*radius2 = 120 sq ins Divide both sides by pi and then square root both sides: radius = 6.180387232 inches circumference = 2*pi*radius circumference = 38.83251825 or 39 inches to the nearest inch.
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