Answer:
1386cm^2.
Step-by-step explanation:
radius of circle=21cm
area of circle(a)=?
we know,
A=pi r^2
=22/7×(21)^2
=1386cm^2
The answer to that problem is 9600cm. each side of surface area will be the same multiplied together
Answer: 90%
Step-by-step explanation:
you willhave to muitply by 2 becuse david only score half of lee's