One Side of a Triangle Is Twice the Shortest Side

question 13

Multiple Choice

One side of a triangle is twice the shortest side. The third side is 2 feet more than the shortest side. The perimeter is 22 feet. Find all three sides.

• A)9 feet, 17 feet, 9 feet
• B)7 feet, 9 feet, 14 feet
• C)19 feet, 8 feet, 11 feet
• D)6 feet, 12 feet, 10 feet
• E)5 feet, 10 feet, 7 feet

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Definitions:

System II

Refers traditionally to the analytical, controlled, and effortful mode of thinking, as contrasted with the fast, automatic, intuitive processing of System I.

System I

A term often used in behavioral economics to describe the fast, instinctive, and emotional way of thinking, as opposed to slower, more deliberative thinking.

Availability

The ease with which a particular piece of information can be recalled from memory, often influenced by recent experience or emotional impact.

Representativeness Heuristics

A mental shortcut used to judge the probability of an event by its similarity to a prototype or stereotype.