Question

Find x using geometric means.​

Answer 1

x = 12

Explanation:

`{x}^(2) = {6}^(2) + {( √(18 * 6) )}^(2) \\ \\ {x}^(2) = 36 + {( √(108) )}^(2) \\ \\ {x}^(2) = 36 + 108 \\ \\ {x}^(2) = 144 \\ \\ x = √(144) \\ \\ x = 12`