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Mathematics 9 Online
OpenStudy (anonymous):

If BC=4 and Cd=27, Find AC.

OpenStudy (anonymous):

|dw:1334849784273:dw|

jhonyy9 (jhonyy9):

this is right triangle ?

jhonyy9 (jhonyy9):

ok yes

OpenStudy (anonymous):

AC= sqrt(BC*CD) apply this formula

OpenStudy (anonymous):

use similar triangle rule

jhonyy9 (jhonyy9):

AC=sqrt(BC*CD) from the altitude thesis

jhonyy9 (jhonyy9):

altitude thesis in a right triangle -

OpenStudy (anonymous):

sqrt 108=10.4 (approx)

jhonyy9 (jhonyy9):

yes sqrt108=10,39

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