21 centimeters is 0.69 feet.
0.20 acres is equal to approximately 87 feet by 100 feet.
12.36 square feet
5 feet by 10 feet is 50 square feet.
1 yard = 3 feet.
5,280 feet
205mm = 20.5cm 21cm > 20.5cm
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
A4 is 29.7cm x 21cm A3 is 42cm x 29.7cm
2200mm
A = 1385cm2
A4 is 29.7cm x 21cm A3 is 42cm x 29.7cm
A = 1,385.4 cm2
29.7cm by 21cm
A = 346.36 cm2
area of a circle and the question is d=21cm