Two possible angles of a triangle in radians and the smaller of its two possible areas
Two possible angles of a triangle in radians and the smaller of its two possible areas
IB Year 6 | Grade 12
5 marks
In triangle \(KLM\), \(\angle KLM=0.7\) radians, \(KL=12\text{ cm}\) and \(KM=9\text{ cm}\). Find the two possible values of \(\angle LKM\) in radians, and the smaller of the two possible areas of the triangle.[5]
Solution:
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Answer:\(\angle LKM=1.41\) or \(0.333\) radians, smaller area \(17.7\text{ cm}^2\)
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