(1) Calculating your body mass index and measuring your waist circumference are two ways to help tell if you're overweight or obese.

(2) I've long since forgotten quadratic equations and how to calculate the circumference of a circle.

(3) The length of the collar should be approximately two inches longer than the circumference of the dog's neck.

(4) Measure the circumference of your wrist where the bracelet will be worn.

(5) We would regard the starting point as the easternmost point along the circumference of the circle.

(6) The perimeter of the inner polygon is shorter than the circumference of the circle.

(7) Men should have a waist circumference less than 40 inches.

(8) He regretted that an exact measure of the circumference of a circle in terms of diameter was not available.

(9) A rope two inches in circumference

(10) In the normal geometry of flat space, the diameter of a circle is its circumference divided by pi.

(11) We will locate a marker on the circumference of a circle.

(12) Galileo established the circumference of the larger circle by restricting the subject matter of physics to statements about primary qualities.

(13) I had to measure the circumference and calculate the diameter to make sure it would fit in and out of my doorway!

(14) His last work was on the cycloid, the curve traced by a point on the circumference of a rolling circle.

(15) A hailstone with a 7-inch diameter and a circumference of 18.75 inches was recently named the largest hailstone ever recovered in the United States.

(16) He has travelled more than 774,200 miles on trips in Italy and abroad, equivalent to nearly 30 times the circumference of the earth.

(17) The 18th-century Chinese scholar Tai Chen presented an elegant dissection for approximating the value of pi - the ratio of a circle's circumference to its diameter.

(18) Pi, whose decimal value is 3.1415926535u251cu00f6u251cu00e7u252cu00ac, is simply the ratio of the circumference of a circle to its diameter.

(19) Taking a circle of diameter 10,000,000 chang, he found the circumference of this circle to be less than 31,415,927 chang and greater than 31,415,926 chang.

(20) We should have a polygon inscribed in the circle the sides of which coincide with the circumference of the circle.