What is the measure of m? 28 n 7 m = 7√ [?] Give your answer in simplest form. I would really appreciate your help.

Answer:
[tex]7\sqrt{5}[/tex]
Step-by-step explanation:
Using the geometric mean theorem, [tex]n=\sqrt{28 \cdot 7}=14[/tex].
Using the Pythagorean theorem, [tex]m=\sqrt{7^2+14^2}=7\sqrt{5}[/tex]