Respuesta :

sdmatera
For the first question find circumference
C=pi*d
C=9.5*pi
C=29.84 (B)

For the next do area
A=pi*r*r
A=pi*8*8
A=200.96 (C)

For the next do circumference
C=pi*d
C=pi*13
C=40.82 (D)