Question

find x
in the following figure​

Answer 1

Step-by-step explanation:

in triangle where angle is 30°

tan30=10/AC

1/√3=10/AC

AC=10√3

in triangle where angle is 40°

tan40= 10+x/10√3

since tan40°=0.839095

(0.839095×10√3) - 10=x

x=4.5488

hope this will help you