Question

Find the length of the missing side, x=

Answer 1

${x}^{2} + {11.9}^{2} = {14.7}^{2} \\ x = \sqrt{ {14.7}^{2} - {11.9}^{2} } \\ x = \sqrt{74.48} \\ x = 8.6301796042...$

Answer: 9 or 8.6

• I don't know, need I round to 8.6 or 9, so you can try both answers