Question

Determine the missing side length:

Answer 1

9

Explanation:

Pythagorean theorem

`{a}^(2) + {b}^(2) = {c}^(2) \\ {6}^(2) + {7}^(2) = {c}^(2) \\ 36 + 49 = {c}^(2) \\ 85 = {c}^(2) \\ √(85) = \sqrt{ {c}^(2) } \\ 9.21954 = c \\ c≈9 \\`