Asked by Lois
BM,CN are altitude of triangle ABC.If AB equals 3.5cm AC equals 3.5cm AC equals to 3.2cm and Bm equals to 2.1cm calculate the area of triangle ABC and hance find CN
Answers
Answered by
oobleck
AC equals 3.5cm AC equals to 3.2cm
so, which is it? It makes a difference if ABC is isosceles. In that case, BM=CN.
so, which is it? It makes a difference if ABC is isosceles. In that case, BM=CN.
Answered by
oobleck
actually, it doesn't matter. BM is the altitude to AC. So, the area of ABC is 1/2 BM * AC
So, 1/2 * CN * AB = 1/2 BM * AC
so, solve for CN after plugging in your (correct) values.
So, 1/2 * CN * AB = 1/2 BM * AC
so, solve for CN after plugging in your (correct) values.
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