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Mathematics 15 Online
OpenStudy (anonymous):

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

OpenStudy (anonymous):

OpenStudy (ddcamp):

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

OpenStudy (anonymous):

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

OpenStudy (dan815):

do the same way i showed u

OpenStudy (dan815):

forget that BS formula he gave u

OpenStudy (dan815):

use the fact that these are similar triangles again

OpenStudy (dan815):

that is where that formula comes from

OpenStudy (anonymous):

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 .

OpenStudy (dan815):

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