Find r :
C=2πr
280=2(3.14)r
r=280/2(3.14)
r=44.6cm
find area :
A=πr²
A=3.14(44.6)²
A=6246 cm²
Answer : 4)6,246
Answer:
1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 392.
UMM.. Not sure
might not be all of them but i guess it should help you:/
For a couple of minutes I want you to think about first
Is there a ruler tool on that site that you are supposed to use to measure?