Question

Please answer this!!!!!!!

Answer 1

Using pythagorean theorem :

$a {}^{2} = b {}^{2} + c {}^{2} \\ \\ c {}^{2} = 4 {}^{2} + 6 {}^{2} \\ \\ c {}^{2} = 16 + 36 \\ \\ c {}^{2} = 52 \\ \\ c = \sqrt{52} \\ \\ 7 {}^{2} = 49 \\ \\ 8 {}^{2} = 64 \\ \\ 7 < c < 8$

Answer: about seven