Question

Estimate the side length of a square that has a 9cm long diagonal

Answer 1

s^2 + s^2 = 9^2 => 2s^2 = 81 => s^2 = 81/2 => side length s = 9(sqrt(2))/2 = 6.37 cm.

Answer 2

Answer:

9cm

Explain:

If it’s a square all sides are equal. So if one side is 9cm all sides are 9cm