Find the surface area of a cylinder to the nearest tenth of a square unit use 3.14 for pi radius is 4.9ft h is 7.8ft

38.2
65.4
286.2
390.8

Solution:

The surface area of cylinder is given as:

Where, r is the radius and h is the height

From given,

r = 4.9 feet

h = 7.8 feet

Substituting the values we get,

Thus the surface area of a cylinder to the nearest tenth is 390.8 square feet

191 students play sports and ninety-seven 10th graders were surveyed.

step-by-step explanation:

step-by-step explanation:

i'm pretty sure it would take 20 hours because it's half the men so you multiply the number of hours it takes by 2