Question

the perimeter of a square is 16 cm. find the length of its diagonal.
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Answer 1

Answer:

4$\sqrt{2}$ cm

Step-by-step explanation:

The perimeter of the square is 16 cm thus each of its side measures 4 cm and since each angle of the square is 90 degree so the diagonal forms a right angle triangle....so by pythagoreus theorem find the diagonal which is the hypotenuse