side of square is 9cm . find the length of diagonal . plz send me answer with formula
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diagonal of square is equal
so,
using Pythagoras theorem
let 'x' be diagonal
x²=9²+9²
x²=81+81
x²=162
x=12.72 or 9√2
so,
using Pythagoras theorem
let 'x' be diagonal
x²=9²+9²
x²=81+81
x²=162
x=12.72 or 9√2
ishan64:
answer is 9√2
ya
but how
factorization of 162 is 2,3,3,3,3
now make pair=9√2
what is the formula of diagonal
using Pythagoras theorem because square each side is equal
H²= B²+P² by PHYTHGORAS
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