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In triangle ABC, ACB = 67°, AB= 6.9 cm and

BC = 5.7 cm.
a Calculate angle BÂC.

b Hence find the area of AABC.

Please answer all questions to 3 correct sig figs.

1 Answer

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Answer:

In triangle ABC, ACB = 67°, AB= 6.9 cm and BC = 5.7 cm.

Explanation:

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