Question

Find x using geometric means.​

Answer 1

Answer:

x = 12

Step-by-step explanation:

${x}^{2} = {6}^{2} + {( \sqrt{18 \times 6} )}^{2} \\ \\ {x}^{2} = 36 + {( \sqrt{108} )}^{2} \\ \\ {x}^{2} = 36 + 108 \\ \\ {x}^{2} = 144 \\ \\ x = \sqrt{144} \\ \\ x = 12$