willowvega
contestada

the formula for the surface area of a sphere is a 4πr^2. where r is the length of the radius. Find the surface area of a sphere with the radius of 14 feet. use 22/7 for π

Respuesta :

gmany

[tex]r=14\ ft[/tex]

Put the value of r to the formula of an area of a sphere:

[tex]A=4\pi r^2\to A=4\pi\cdot14^2=4\pi\cdot196=784\pi\ ft^2\approx784\cdot\dfrac{22}{7}=2464\ ft^2[/tex]

alyssa123davis

Answer:

616 inches

Step-by-step explanation: