in a square of side 10 cm.its diagonal
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Step-by-step explanation:
We know that in a square every sides are equal.
So,
By Pythagoras theorem
(Diagonal)^2 = (altitude)^2 + (base)^2
" = (10)^2 + (10)^2
" = +
Diagonal = ✓+
Diagonal =✓200
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