what is the surface area of a sphere with a radius of 4.75 units
SA = 4 * pi * r^2
SA = 4 * 3.14 * 4.75^2
SA = 283.385 square units
http://www.math.com/tables/geometry/surfareas.htm
To find the surface area of a sphere, you can use the formula:
Surface Area = 4πr^2
where r represents the radius of the sphere.
In this case, the radius (r) is given as 4.75 units.
Thus, to find the surface area, you can substitute the value of the radius into the formula:
Surface Area = 4π(4.75)^2
Simplifying the equation further:
Surface Area = 4π(22.5625)
Now, multiply 4π by 22.5625:
Surface Area ≈ 90.25π
So, the surface area of a sphere with a radius of 4.75 units is approximately 90.25π square units.