Question

Find the surface area of a sphere with a radius of 4m.

________________________________________
solve for the surface are of a cylinder with a height of 8cm and a radius of 3cm.
_______________________________________​

Answer 1

Answer: 207.338
`cm^2` or 66
`\pi`

Explanation:

Lateral Area of a cylinder : 2
`\pi`(radius)(height)

Surface Area of a cylinder : Lateral Area + 2 (base area)

LA= 48
`\pi`

= 150.79

SA= 150.79 + (2(
`\pi`(
`3^2`)

= 207.338
`cm^2`

: )))