Question

Please help me solve this!!

Answer 1

12.8

Explanation:

tan(theta) = opposite/adjacent

in this question, theta should be 59 deg, opposite is EF which is x, and adjacent is DE which is 7.7

So plug in these data

tan(59deg) = x/7.7 ==> x = 7.7 * tan(59deg) ~~12.8