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Question 1 of 10
1. Question
In triangle \(ABC\), if \(a = 5\), \(b = 7\), and \(C = 60^\circ\), what is the length of side \(c\)?
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Question 2 of 10
2. Question
If \(c = 10\), \(a = 6\), and \(b = 8\), what is the angle \(C\)?
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Question 3 of 10
3. Question
What is the cosine rule used for?
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Question 4 of 10
4. Question
In triangle \(XYZ\), if \(x = 9\), \(y = 12\), and \(Z = 120^\circ\), what is the length of side \(z\)?
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Question 5 of 10
5. Question
If the length of sides \(a\) and \(b\) are both 5, and angle \(C\) is \(90^\circ\), what is the length of side \(c\) using the cosine rule?
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Question 6 of 10
6. Question
In triangle \(ABC\), \(a = 7\), \(b = 10\), and \(C = 45^\circ\). What is \(c\)?
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Question 7 of 10
7. Question
Which formula correctly represents the cosine rule?
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Question 8 of 10
8. Question
If \(a = 3\), \(b = 4\), and \(c = 5\), is triangle \(ABC\) a right triangle?
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Question 9 of 10
9. Question
Find angle \(C\) in triangle \(DEF\) where \(d = 8\), \(e = 6\), and \(f = 10\).
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Question 10 of 10
10. Question
What is \(C\) if \(c = 8\), \(a = 6\), and \(b = 10\)?
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