Question

The length of a diagonal square is 6 mm. Find the area of the square.
A)14.5
B)19.08
C)72
D)18

Answer 1

D

Answer 2

Answer is D..

Answer 3

D I THINK

Answer 4

If the side length of the square is \(s\), then the diagonal length will be \(d=s\sqrt{2}\) so \(s=\dfrac{d}{\sqrt{2}}\). Thus, the area is \(A=s^2=\left(\dfrac{d}{\sqrt{2}}\right)^2=\boxed{\dfrac{d^2}{2}}\).

Answer 5

thanks guys