Radius = about 13cm Diameter = about 26cm
just multiply the two numbers together to get the amount of area inside your shape... 884cm2
What is 3.14 pie 26cm
1 kilometer equals 100000 centimeters so divide 26 by 100000 and you get 0.00026 kilometers.
26
26cm is approximately equal to 10.24 inches.
20cm-26cm
10.23 inches
1 metre 26cm
Yes yes, that sounds fine for 2 rats. Though you would need to take them out of there cage, everyday for about an hour or to so they don't get bored or stressed.
26 centimeters is 0.26 meters.
20,800 cm3