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a right triangle ABC, C is the right angle and CD is the altitude drawn to the hypotenuse. If AD =3 and BD=9 what is AC? show work
 8 months ago
 8 months ago
a right triangle ABC, C is the right angle and CD is the altitude drawn to the hypotenuse. If AD =3 and BD=9 what is AC? show work
 8 months ago
 8 months ago

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highschoolmom2010Best ResponseYou've already chosen the best response.1
thats as far as i got
 8 months ago

ganeshie8Best ResponseYou've already chosen the best response.0
you may use geometric mean thingy to solve this or similiar triangles
 8 months ago

highschoolmom2010Best ResponseYou've already chosen the best response.1
dw:1375881597965:dw
 8 months ago

highschoolmom2010Best ResponseYou've already chosen the best response.1
geometric mean bc im not really good at it
 8 months ago

ganeshie8Best ResponseYou've already chosen the best response.0
okay ! memorize this : AC is the geometric mean of AD and AB AC = geometric mean of 3 and 12
 8 months ago

ganeshie8Best ResponseYou've already chosen the best response.0
dw:1375881740808:dw
 8 months ago

highschoolmom2010Best ResponseYou've already chosen the best response.1
\[\sqrt{12*3}=\sqrt{36}=6\] like this
 8 months ago

highschoolmom2010Best ResponseYou've already chosen the best response.1
just refreshing on the work we did like a week or so ago
 8 months ago

ganeshie8Best ResponseYou've already chosen the best response.0
here is the rule : Each leg of a right triangle is the 'geometric mean' between the hypotenuse(12) and the segment of hypotenuse adjacent to the given leg(3)
 8 months ago

ganeshie8Best ResponseYou've already chosen the best response.0
lol i was on vacation for 2 weeks. and i remember we doing these back then.. .
 8 months ago

highschoolmom2010Best ResponseYou've already chosen the best response.1
yea thx @ganeshie8 :D
 8 months ago
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