Question

(5) Find perimeter of a square if its diagonal is 10√2 cm.
(A)10 cm (B) 40 2 cm
(C) 20 cm (D) 40 cm


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Answer 1

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Answer 2

Answer:

Question

✳️Find perimeter of a square if its diagonal is 10√2 cm.

Solution ⬇️

✍️Let the side of the square = a

✍️ diagonal (d) = 10√2

✍️√2a= 10√2

$a = \frac{10 \sqrt{2} }{ \sqrt{2} }$

✍️a=10 cm

✍️ Perimeter = 4a

✍️4x10

✍️ option d)40 cm

Step-by-step explanation:

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