Problema Solution
in the triangle ABC,the height CH=1.5 CM, THE ANGLE ACB = 90 DEGREES and ABC= 75 degrees. what is the measure ob AB?
Answer provided by our tutors
CH/BC = sin(75) => BC = CH/(sin 75)
BC/AB = cos(75) => AB = BC/(cos 75)
plug BC = CH/(sin 75) into AB = BC/(cos 75)
AB = (CH/(sin 75))/(cos 75) = CH/ (sin(75) * cos(75))
AB = 1.5 / (sin(75) * cos(75))
AB = 6 cm
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