Question

Find the missing right side of the right triangle. Leave your answer in simplest radical form.

Answer 1

`x^2\text{ = (}\sqrt[]{6})^2\text{ + (}\sqrt[]{15})^2`
`x^2\text{ = 6 + 15 = 21}`
`x\text{ = }\sqrt[]{21}`

x = √21 = sqrt(21)