Question

DC=10. What is the value of AD?

Answer 1

as tan x = prep / base
use it
tan 60 = a/10 where a is width of the rectangle
BC is same as AD Good luck

Answer 2

i still i dont get it

Answer 3

do u know tan x = perpendicular/ base
here base is DC =10
and perpendicular is BC
where BC =AD
as it is opposite side of rectangle

Answer 4

here angle is 60* so use it
tan 60 = a/10

here i let BC as "a"
got it?
@anabelll

Answer 5

yes!! okay, thank you so much. i get it now :)

Answer 6

you are welcome :) @anabelll