This is a tough question because the shape is not defined. In a square, it would be approximately 22.627 cm.
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Using Pythagoras theorem its length is 40 cm and so 2(40+30) = 140 cm which is its perimeter
To find the perimeter of a square with a diagonal of 16 cm, we first need to determine the side length of the square using the Pythagorean theorem. The diagonal of a square divides it into two right-angled triangles, with the diagonal being the hypotenuse. Using the formula a^2 + b^2 = c^2, where a and b are the two sides of the triangle and c is the hypotenuse, we can calculate that each side of the square is 8√2 cm. Since a square has four equal sides, the perimeter is 4 times the side length, giving us a perimeter of 32√2 cm.
It is: 64/4 = 16 cm
The diagonal is 3.61cm
The diagonal is 8.602 cm