Question

A diagonal of a square mirror is 10 inches long. What is the length, in inches, of each side of the mirror? (G.8b)(1 point) O A. 5 inches O B. 52 inches O C. 10v2 inches O D. 10 inches

Answer 1

The mirror is a square. The diagonal of the mirror is 10 inches long . The length of the mirror can be calculated below

Therefore, the length is

`\begin{gathered} x^2+x^2=10^2 \\ 2x^2=100 \\ x^2=50 \\ x=\sqrt[]{50} \\ x=\sqrt[]{25*2} \\ x=5\sqrt[]{2} \end{gathered}`