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prove of pythagoras theoram  
Asked by amolshukal.2001 | 18 Jan, 2018, 09:07: AM
answered-by-expert Expert Answer
begin mathsize 16px style Given colon space In space increment ABC space angle ABC equals 90 degree To space Prove colon space AC squared equals AB squared plus BC squared Construction colon space BD perpendicular AC Proof colon space BD perpendicular AC Using space thereom comma straight A space perpendicular space is space drawn space from space the space vertex space of space right space angle space of space straight a space right space triangle space to space the space hypotenuse space then space triangle on space both space side space of space the space perpendicular space are space similar space to space whole space triangle space and space to space each space other. increment ADB tilde increment ABC AD over AB equals AB over AC AB squared equals AD cross times AC.......... left parenthesis straight i right parenthesis increment BDC tilde ABC CD over BC equals BC over AC BC squared equals CD cross times AC........ left parenthesis ii right parenthesis Add space left parenthesis straight i right parenthesis space and space left parenthesis ii right parenthesis AB squared plus BC squared equals AD cross times AC plus CD cross times AC AB squared plus BC squared equals AC open parentheses AD plus CD close parentheses AB squared plus BC squared equals AC cross times AC AB squared plus BC squared equals AC squared end style
Answered by Sneha shidid | 18 Jan, 2018, 02:57: PM

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CBSE 10 - Maths
hi sir can u please say hoe to find the angles of trianglr wheather it is a right angle                                                                                                                      
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