If the Total Surface Area of a Right Circular Cone $72 \pi$

question 17

Multiple Choice

If the total surface area of a right circular cone is $72 \pi$ square feet and a radius of the base is 6 feet long, find the slant height of the cone.

• A) \(4 \pi\) feet
• B) \(18\) feet
• C) \(6\) feet
• D) \(12\) feet
• E) none of these

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Definitions:

Eardrum

A delicate layer that isolates the outer ear from the middle ear, responding with vibrations to audio waves.

Sensitivity

The ability of a test or measurement to accurately identify the presence of a particular condition, disease, or characteristic.

Temperatures

Measures of the degree of hotness or coldness of a body or environment, typically expressed in degrees Celsius or Fahrenheit.

Olfactory Bulbs

Two bulb-like projections of the brain located just above the sinus cavity and just below the frontal lobes that receive information from the olfactory receptor cells.