Area of a Triangle

Michigan State University - Diagnostic Exam

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6.16

The triangle $Δ ABC$ has dimensions $AB = 6, AC = 4$ , and $∠A = 60∘$ . The area of $Δ ABC$ is (?)

a) 12 b) $√ -- 2 3$ c) $√ -- 3 3$ d) $√ -- 4 3$ e) $√ -- 6 3$

Solution:

The area is $1 √ -- --(4)(6) sin 60∘ = 6 3 2$ .

Diagnostic:

If you miss this question please review area of a triangle.

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July 15, 2008