Question

Diagonal of square whose side is a unit​

Answer 1

Answer:

root 2 unit us the answer

Step-by-step explanation:

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Answer 2

Answer:

$Applying, Pythagoras \: theorem \\\\\sf </p><p>a^2+a^2=AC^2 \\\\\sf </p><p>2a^2=AC^2 \\\\\sf </p><p>AC= \sqrt{2a^2} \\\\\sf </p><p>AC=a\sqrt{2}</p><p>$