1. Consider a sphere with a radius with an 18 inches.
Part A: Determine the surface area of the sphere
Part B: Determine the volume of the sphere

A) Surface Area = 1296π in²

B) Volume = 7776π in³

Step-by-step explanation:

A) Formula for surface area of a sphere is;

A = 4πr²

Where r is radius.

We are given radius = 18 inches.

Thus; A = 4π × 18²

A = 1296π in²

B) Volume of a sphere is;

V = (4/3)πr³

V = (4/3)π × 18³

V = 7776π in³

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step-by-step explanation:

step-by-step explanation:

the multiplicative inverse of a fraction a/b is b/a. for the multiplicative inverse of a real number, divide 1 by the number. for example, the reciprocal of 5 is one fifth 1/5 or 0.2, and the reciprocal of 0.25 is 1 divided by 0.25, or 4.