Question

Can three segments of lengths 4cm,8cm, and 4square root 5 for a right triangle? Why or why not

Answer 1

\[4\sqrt{5} \]Is that in cm also?

Answer 2

Assuming that it is.
\[\sqrt{4^{2}+8^{2}}=\sqrt{80}=\sqrt{16 \times5}=4\sqrt{5}\] Yup.

Answer 3

yes it is.. thank you!