Question

the diagonal of a square is 18 cm find the the perimeter of the the square ​

Answer 1

Answer:

b 18*4 72 to the fashion industry and I am

Answer 2

Answer:

36root2

Step-by-step explanation:

$18 = \sqrt{ {x}^{2} + {x}^{2} } \\ 18 = \sqrt{2 {x }^{2} } \\ 18 = x \sqrt{2} \\ x = 18 \times \frac{ \sqrt{2} }{2} \\x = 9 \sqrt{2} \\ perimeter = 4 \times 9 \sqrt{2 } \\ perimeter = 36 \sqrt{2}$