4) If the diagonal of a square is 12v2 cm then the perimeter of square is
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Answer:
As we know the length of the diagonal of the square, we can compute the length of a side of the square using the Pythagoras formula:
a
2
s
+
a
2
s
=
d
2
⇒
2
a
2
s
=
(
12
√
2
)
2
⇒
a
2
s
=
12
2
⇒
a
s
=
12
cm
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