posted by .

If a circle has a diameter of 7inches, what is the circumference rounded to the nearest whole number?
Use pi=3.14

C = pi * d
C = 3.14 * 7
C = 21.98 = 22

Similar Questions

1. college algebra

The diameter of the Earth is approximately 7,920 miles. Given that the circumference of a circle is pi times its diameter, which statement best describes the length of a trip from Washington to Masdagascar that is approximately 8,600 …
2. Circumference and Area of Circles

can someone help me with these:Find the radius, diameter and circumference of a circle with an area of 64 cm2. Write your answers as decimals rounded to the nearest hundredth. Find the circumference and area of a circle that has a …

The circumference of a circle is 12.56 centimeters. What is the approx. measure of the circle's radius?
4. math

I'm asked to find the circumference of a circle to the nearest tenth and the area of the same circle to the nearest hundredth. The circle has a diameter of 30 and a radius of 15. I got a circumference of 94.2 and an area of 188.48cm2 …
5. math

i am a decimal with my last digit in the hundredths. rounded to the nearest tenth. I am 6.5. Rounded to the nearest whole number. I am 6. if the sum of my digits is 16. what number am i?

A Number rounded to the nearest tenth is 6.1. The same number rounded to the nearest hundredth is 6.08 and rounded to the nearest thousandth is 6.083. What is the original number?