21 cm = 8.26 inches
21cm is about 8.27 inches.
Multiply cm by 0.394: 21cm x 0.394 = about 8.274 inches.
21 centimeters x 1 inch/2.54 centimeters = 8.267716535 inchesThere are 8.267716535 inches in 21 centimeters.
205mm = 20.5cm 21cm > 20.5cm
To convert centimeters to inches, you can use the conversion factor where 1 inch is equal to 2.54 centimeters. Therefore, to convert 21 centimeters to inches, you divide 21 by 2.54, which is approximately 8.27 inches.
21cm is about 8.27 inches.
Multiply cm by 0.394: 21cm x 0.394 = about 8.274 inches.
Lets see 21x12.7=266.7 266.7/30=8.89 so answer is 8.89 inches
21 centimeters x 1 inch/2.54 centimeters = 8.267716535 inchesThere are 8.267716535 inches in 21 centimeters.
To be exact, it's 29.7cm x 21cm. In inches that would be 11.7 in x 8.3 in.
205mm = 20.5cm 21cm > 20.5cm
53.34 cm =21 inches Algebraic Steps / Dimensional Analysis Formula 21 in* 2.54 cm 1 in = 53.34 cm
1/3 of 21cm = 1/3*21 = 7 cm
A fifth of 21cm is 1/5 x 21 1/5 of 21 is 21/5, which is equal to 4.2 A fifth of 21cm is 4.2 cm
The approximate diameter of a circle whose circumference is 21cm is: 6.68cm
A = 1385cm2
2200mm