Pi
21 centimeters is 8.3 inches
It is: 21*96 = 2016 square inches
A circle with a radius of 21 inches has a circumference of 131.95 inches.
21 inches = 0.5833... recurring yards.
6.75/7(22 inches + 56 cm) = 21 inches + 54 cm. Rounded to 2 significant figures.
They measure ur head in inches and find that hat that's an extra in in circumference
Around a 7.5
Pi
The Official Basketball Hoop size is 21 inches
8 1/2 inches is the biggest size ever made.
No a mans hat size is measured in inches and is universal to all hats.
The average adult human head circumference is about 21-23 inches (53-59 cm).
A Colonial hat is east to make with a piece of felt that is about 12 inches X 12 inches for a juvenile size, and about 16 inches X 16 inches for an adult hat. Lay the felt piece flat and take three corners of the felt and pin them together then tuck in the last corner under the pin.
The average size of a toilet is 21-30 inches wide, 14-16 inches from bowl to rim, and has a depth of 27-30 inches.
i believe it is 21 inches
21 mm