length of a diagonal of a square is 15 root 2 cm. Find its perimeter.​

2 thoughts on “length of a diagonal of a square is 15 root 2 cm. Find its perimeter.​”

1. Answer:

   60 cm

   Step-by-step explanation:

   let diagonal be d and side be x.

   d=15√2 cm

   by Pythagoras theorem,

   x²+x²=d²

   2x²=(15√2)²

   2x²=225*2

   x²=225

   x=15 cm

   therefore perimeter of square is

   p = 4x=4*15=60 cm

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2. Answer:

   perimeter is 60 cm

   Step-by-step explanation:

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