Question

Can someone help me with those two, please?

Answer 1

5.) r=4
A= π•r^2
A=3.14 •4^2
A=3.14•16
A=50.24 units^2

C=2 π•r
C=2•3.14•4
C=8•3.14
C=25.12 units

6.) r=3
A= π•r^2
A=3.14•3^2
A=3.14•9
A=28.26 units^2

C=2 π•r
C=2•3.14•3
C=6•3.14
C=18.84 units

Answer 2

5) circumference is 25,13 and area 50,27
6) circumference is 18,85 and area 28,27