Answer:
[tex] m = n = 9\sqrt 2[/tex]
Step-by-step explanation:
Given is a 45° 45° 90° triangle.
So,
[tex]m = \frac{1}{ \sqrt{2} } \times 18 = \frac{1}{2} \times 18 \sqrt{2} = 9 \sqrt{2} \\ \\ n = \frac{1}{ \sqrt{2} } \times 18 = \frac{1}{2} \times 18 \sqrt{2} = 9 \sqrt{2} \\ \\ [/tex]
