Surface area of the cylinder = 816.4 sq. ft.
Solution:
Height of the cylinder = 21 ft
Diameter of the cylinder = 10 ft
Radius of the cylinder = 10 ÷ 2 = 5 ft
Use the value of = 3.14
Surface area of the cylinder =
Substitute the given values in the surface area formula, we get
Surface area of the cylinder
ft²
Hence the surface area of the cylinder is 816.4 sq. ft.
Answer:
it is C.) 816.8 sq ft
Step-by-step explanation:
Because i took the test and 1/1 point means i got it right
right the box in the corner means it's a 90 degree angle or a right angle