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Mathematics 18 Online
OpenStudy (anonymous):

help please?

OpenStudy (anonymous):

http://prntscr.com/aa1m2z

jhonyy9 (jhonyy9):

just use pythagora s theorem - do you know it ?

OpenStudy (anonymous):

yeah I do just forgot how to use it

jhonyy9 (jhonyy9):

what say this theorem in case of a right triangle the length of hypothenuse squared equal = ?

jhonyy9 (jhonyy9):

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