A Tractor Engine Has a Steel Component with a Circular

question 21

Multiple Choice

A tractor engine has a steel component with a circular base modeled by the vector-valued function . Its height is given by . (All measurements of the component are given in centimeters.) Find the lateral surface area of the component. Round your answer to two decimal places. ​

---

Definitions:

Tympanitis

Inflammation of the tympanic membrane (eardrum), often associated with middle ear infection.

Otalgia

Pain in the ear; earache.

Otitis

Inflammation of the ear, typically classified by location such as otitis media (middle ear) or otitis externa (outer ear).

Mastoiditis

An infection of the mastoid bone of the skull, often a complication of middle ear infection.