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Example Questions
Example Question #11 : Acute / Obtuse Triangles
What is the value of in the triangle above? Round to the nearest hundredth.
Possible Answers:
Cannot be calculated
Correct answer:
Explanation:
Begin by filling in the missing angle for your triangle. Since a triangle has a total of degrees, you know that the missing angle is:
Draw out the figure:
Now, to solve this, you will need some trigonometry. Use the Law of Sines to calculate the value:
Solving for , you get:
Rounding, this is .
Magdy
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