Answer:
c=62.82 cm
Step-by-step explanation:
A=pir^2
C=2pir
C=2sqrt(piA)=2sqrt(pi×314)=62.81592 cm
62.82
C=2πA=2·π314≈62.81592cm
YuAnswer:
There shouldn't be a negative in front of one of the equations.
Dunno wat that means im in elementary lel =]
But I know wat its like to not have an answer on a hard question =(
