Practice Test

Q1) Find the value of cos C. Show Answer

Q2) Find the value of side c. Show Answer

Q3) ABC is a triangle in which BC = 10 cm, CA = 6 cm and AB = 8 cm. Which one of the following is correct?
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Q4) If angles of a triangle are in the ratio 1 : 2 : 3, then what is the ratio of its corresponding sides?
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Q5) If the sides of a triangle are 6 cm, 10 cm and 14 cm, then what is the largest angle included by the sides?
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Q6) The sines of two angles of a triangle are equal to 5/13 and 99/101. What is the cosine of the third angle?
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Q7) ABC is a triangle in which AB = 6 cm, BC = 8 cm and CA = 10 cm. What is the value of cot (A/4)?
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