Answer:
a) C=31.42 units
b) A=78.55 SQ UNITS
Step-by-step explanation:
C=2(pi)r
C=2(3.142)5
C=31.42 units
A=(Pi)r^2
A=(3.142) x 5^2
A=3.142 X 25
A=78.55 SQ UNITS
