Answer:
the radius is 10
the diameter is 20
the circumfrence is 62.8
the area is 314
Hope this helps.
It is 21
Step-by-step explanation:
534061 miles ²
I did 1033x1034 and got 1068122 and then divided by 2 to get 534061 miles
8*8*8= <em><u>8^3= 512</u></em>