If length of diagonal of a square is 20cm. Find its perimeter
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we know that :
length of diagonal =√2a
but length is given so
√2a =20
a=10√2 cm
now, we also know that :
perimeter of square =4à=4×10√2=40√2cm ans.
please mark be brainliest
length of diagonal =√2a
but length is given so
√2a =20
a=10√2 cm
now, we also know that :
perimeter of square =4à=4×10√2=40√2cm ans.
please mark be brainliest
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