if a side of a square is 8 cm.find its diagonal
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2
I think answer be four
Rahulsharma8879:
cool ! but i want in proof..
Let the square be ABCDand let diagonals bisect at O.Now, In triangleADC, ACsquare=AD square +DCsquare
=>8 square+8 square=AC square=>64+64=AC square=>128=AC square=>AC=root over 128
Is it ok
Answered by
1
Use pythagorous theorem
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