Solve the Problem $r = \sqrt { \frac { S } { 4 \pi } }$

question 325

Multiple Choice

Solve the problem.
-The radius of a sphere is given by the formula $r = \sqrt { \frac { S } { 4 \pi } }$ , where $S$ is the surface area. If the surface area is 7614 square inches, what is the radius? Use $3.14$ for $\pi$ , and round your answer to the nearest tenth of an inch.

• A) \(0 \mathrm { in }\).
• B) \(43.6 \mathrm { in }\).
• C) \(24.6 \mathrm { in }\).
• D) \(77.3 \mathrm { in }\).

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Definitions:

Dermis

The thick layer of living tissue below the epidermis containing hair follicles, sweat glands, and providing mechanical strength to the skin.

True Skin

Another term for the dermis, the layer of skin located beneath the epidermis, containing nerve endings, sweat glands, and blood vessels.

Hypo-

A prefix meaning low, under, beneath, down, or below normal, often used in medical terms.

Hyper-

A prefix meaning excessive or above normal, often used in medical terms to describe conditions involving overactivity.