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12 votes
12 votes
If possible, find the area of the triangle defined by the following: b = 45, c = 20, a = 71°.405.2 square unitso189.1 square units465.4 square units425.5 square units

User Lingvomir
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1 Answer

19 votes
19 votes

We will find the area of the triangle as follows:


A=(45)(20)(\sin(71))/(2)\Rightarrow A=425.483359\ldots
\Rightarrow A\approx425.5

So, the area of the triangle is approximately 425.5 square units.

User Mark Roberts
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3.3k points