Answer:
24x^2
Step-by-step explanation:
20+17c if c is 50 or under and 20+15.80c if c is more than 50
The surface 5 cm, and the length is 10 cm
Answer:
13.448, rounded off: 13.5 ft
Step-by-step explanation:

Where r = radius, C = circumference.
= 13.5 ft