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Mathematics 19 Online
OpenStudy (anonymous):

plz help on relationship in similar right triangle

OpenStudy (anonymous):

OpenStudy (anonymous):

only need 5-9 and plz show work

OpenStudy (anonymous):

how do I open this attachment?

OpenStudy (anonymous):

it is for mac

OpenStudy (anonymous):

sorry I only have a windows. Perhapas you can upload a picture?

OpenStudy (anonymous):

OpenStudy (anonymous):

Directrix (directrix):

Here is the theorem you need to get started: Theorem: If the altitude is drawn to the hypotenuse of a right triangle, the length of the altitude is the geometric mean between the lengths of the segments of the hypotenuse. To help you get started, 5) 6 is to LM as LM is to 17 6/LM = LM/17 Let LM = x 6/x = x/17 Cross multiply and solve for x: x^2 = 6*17 x = ? @Xiongpheng

OpenStudy (anonymous):

so for number5. Triangle JLM is similar to LKM, which is similar to JKL. then we know JM/ML=ML/JL=JM/JL, MK/LM=LM/JL=LK/JL. SO 6/ML=ML/JL. So JL=ML^2/6. So JL^2=ML^4/36. and it's a right triangle. so JL^2=ML^4/36=JM^2+ML^2=36+ML^2 So ML^4=36^2+36ML^2 then it's easy to find ML and JM. and it's easy to find the rest altitude

OpenStudy (anonymous):

sorry but I need 6-7 and sorry again but plz show how to do it

OpenStudy (jdoe0001):

hmmm... how did you do 4 and 5?

OpenStudy (anonymous):

5 * 12 = 60 and than square 60 = 7.7

OpenStudy (jdoe0001):

hmm.... lemme make few stuff on ... 6 one sec

OpenStudy (jdoe0001):

see how the ratio is used to find the side? you'd use the corresponding sides for each SIMILAR triangle

OpenStudy (anonymous):

Got it thanks

OpenStudy (jdoe0001):

yw

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