Mathematics, 23.02.2021 14:00 jhick285

Q2. In a triangle ABC, side AB has length 10 cm, side AC has length 5 cm, and angle BAC = x where is
measured in degrees. The area of triangle ABC is 15cm
(a) Find the two possible values of cos x
(4)
Given that BC is the longest side of the triangle,
(b) find the exact length of BC.
(2)
(Total for question = 6 marks)

Answers: 3

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Q2. In a triangle ABC, side AB has length 10 cm, side AC has length 5 cm, and angle BAC = x where i...

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