1 Answer

Joncalhoun · Answer 1 · 2023-02-13T23:34:54+0000

In order to determine the length of side CD, use the tangen of 60 degrees as follow:

$\tan 60=\frac{18\sqrt[]{3}}{CD}$

Solve the previous expression for CD and simplify, as follow:

$CD=\frac{18\sqrt[]{3}}{\tan 60}=\frac{18\sqrt[]{3}}{\sqrt[]{3}}=18$

Hence, the length of side CD is 18

Please log in or register to add a comment.