The answer to this is .75 seconds.
Answer:
C
Step-by-step explanation:
Step-by-step explanation:
We have,
Diameter of cylinder, d = 39.2 mm
Radius, r = 19.6 cm
Height of the cylinder, h = 39.2 mm
It is required to find the surface area of this cylinder. The formula of the surface area of cylinder is given by :

Putting all values we get :

Answer:
0.875
Step-by-step explanation:
9.85-8.975 equala 0.875