well,
AN = AB-BN = 1.4
CN = √(3.2^2-1.4^2) = 2.88
the area is
1/2 AB*CN
BM does not matter here.
|BM|,|CN| are altitude of a triangle ABC if AB=3.5 AC=3.2 BN=2.1
calculate the area of the triangle and hence find |CN|.......show working plz i don't no it
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