The radius of a ball is 7 inches. What is the approximate surface area of the ball? Round to the nearest tenth and use 3.14 fors
Recall the formula SA-4.
O 87.9 square inches
O 175.8 square inches
O 196 square inches
O 615.4 square inches

615.832in^2

Step-by-step explanation:

Step one:

given

The radius of a ball is 7 inches.

Required:

the surface area of the ball

Step two:

the formula for the surface area is

SA= 4πr^2

substitute

step-by-step explanation:

step 1: solve one of the equations for one of the variables. let's solve the first equation for y:

step 2: substitute that equation into the other equation, and solve for x.

step 3: substitute x = 4 x = 4 x=4 into one of the original equations, and solve for y.

hi im bob : l

step-by-step explanation: