The number of tiny squares is 144. Prime factorisation of 144 is 2⁴ × 3². This is a perfect square since all exponents are even. So, the number of squares is 12 × 12 and √144 = 12. Class 8 Mathematics ...
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The square of an even number is always even and the square of an odd number is always odd. This means parity remains the same. So, if the original number is even or odd, its square follows the same parity. Class ...