The surface area of a sphere is 7.84 pie ft squared what is the radius of this sphere

Answer 1

To find the radius of a sphere, given its surface area, we can use the formula for the surface area of a sphere:

Surface Area = 4πr^2

Where "Surface Area" is given as 7.84π ft^2.

Now, let's solve the equation for the radius (r):

7.84π = 4πr^2

Divide both sides of the equation by 4π:

7.84π / 4π = r^2

Simplify the left side:

1.96 = r^2

Take the square root of both sides to isolate the radius:

√(1.96) = √(r^2)

So, the radius of the sphere is:

r ≈ √(1.96) ≈ 1.4 ft