Answer:
Circumference= 44 in
Area= 154 in²
Step-by-step explanation:

Radius
= diameter ÷2
= 14 ÷2
= 7 in
Circumference of circle

= 44 in

Area of circle

= 154 in²
4:2 and 2:1 are equivalent ratios to 8:4
I believe it's cones, cylinders, and spheres, hope this really help, and good luck