Question

If diagonal of a square is 12✓2cm then the perimeter of square is
(A)24 cm
(B)24✓2 cm
(C)48 cm
(D)48✓2 cm
please explain me this

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Answer 1

12 root 2

perimeter of square is S * S

12 root 2 * 12 root 2

12 * 2

24

hope this helps you

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Answer 2

Step-by-step explanation:

Diagonal = 12√2 cm..

we know, diagonal ^2 = side^2 + side^2

diagonal^2 = 2side^2

12√2 ^2 = 2 × side ^2

288 = 2 side^2

144 = side^2

so, side = 12cm

Now , we know that perimeter is sum of all sides and all sides of square are equal.

so, perimeter = 12+12+12+12

= 48 cm