In △ABC, BD is an altitude.

What is the length, in units, of BD?
(ill post pic)

Question

In △ABC, BD is an altitude.

What is the length, in units, of BD?
(ill post pic)

anonymous · Answer

attachment

ddcamp · Answer

The length altitude of a right triangle is the geometric mean of the two parts of the hypotenuse:
DB = sqrt(AD*CD)

anonymous · Answer

What is the exact answer? I know you just gave it to be but i cant see for pellet at 2 in the morning

dan815 · Answer

do the same way i showed u

dan815 · Answer

forget that BS formula he gave u

dan815 · Answer

use the fact that these are similar triangles again

dan815 · Answer

that is where that formula comes from

anonymous · Answer

I will work on that stuff with the working and stuff tomorrow -_-. My mom just wants me to do 2 a day and i screwed up by waiting til the last minute and I need the answers before I go to bed .

dan815 · Answer

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