A Semicircular Arch for a Tunnel Under a River Has $12 \sqrt { 11 }$

question 28

Multiple Choice

A semicircular arch for a tunnel under a river has a diameter of 80 feet (see figure) . Determine the height of the arch 4 feet from the edge of the tunnel.

• A)36 feet
• B) \(12 \sqrt { 11 }\) feet
• C) \(4 \sqrt { 19 }\) feet
• D) \(4 \sqrt { 399 }\) feet
• E) \(6\) feet

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Definitions:

Achievement Needs

The drive to pursue and meet goals for personal success and excellence.

Rorschach Ink Blot

A projective psychological test consisting of inkblots presented to a person, who is asked to describe what they see, used to assess personality structure and emotional functioning.

Achievement Motive

A psychological construct that drives an individual to pursue and attain goals.

David McClelland

An American psychologist known for his work on motivation theory, particularly related to achievement, power, and affiliation needs.