SOLUTION: Triangle ABC is a right triangle with angle A = 90 degress.From the vertex A perpendicular AD is drawn on BC. If mAB = 5 cm, mAC = 8 cm.Find mBC,mAD and mBD. (m stands for measurm

Question 1066549: Triangle ABC is a right triangle with angle A = 90 degress.From the vertex A perpendicular AD is drawn on BC. If mAB = 5 cm, mAC = 8 cm.Find mBC,mAD and mBD.
(m stands for measurment)

Answer by ikleyn(52781) (Show Source): You can put this solution on YOUR website!
.
Triangle ABC is a right triangle with angle A = 90 degress.From the vertex A perpendicular AD is drawn on BC.
If mAB = 5 cm, mAC = 8 cm. Find mBC, mAD and mBD. (m stands for measurment)
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1.  Calculate the hypotenuse |BC| =  =  = .


2.  Calculate the area of the triangle S =  = 40 cm.


3.  You can express the area by another way: S =  = .


4.  Since the area is the same, you get the equation

        = 40,

    which gives you |AD| =  = .

Solved.

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Comment from student: Thank you so much.One more thing please,what about mBD?
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My respense: O ! I expected this question.

|BD| = .

Calculate it on your own !

Happy calculations !!

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