SOLUTION: ABC is a right angle triangle ,where angle b= 90 degree . BD drawn perpendicular to AC . AD=9 DC= 16. Find AB
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Question 837675: ABC is a right angle triangle ,where angle b= 90 degree . BD drawn perpendicular to AC . AD=9 DC= 16. Find AB Answer by KMST(5328) (Show Source):
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The altitude BD splits right triangle ABC into right triangles ADB and BCD.
They are all similar right triangles.
The ratio {leg adjacent to angle BAC)/hypotenuse is in triangle ABC,
and it is in triangle ADB.
Since those two triangles are similar, those ratios are the same,
so <--> .
Substituting numbers,
