Question

In triangle ABD, angle BAD measures 60 degrees. AB is 3 and BD is sqrt(63)/3 Find AD

Answer 1

Find AD

Answer 2

I think you use Cos Law.

Answer 3

Alright? Have fun!

Answer 4

idk howwwwwww

Answer 5

You know what Cos Law is?

Answer 6

solved it THANKS, but I'm getting AD=1, 2 with the quadratic. How do i know the true answer?

Answer 7

or can it be either?

Answer 8

where y = AD, one gets y^2 - 3y + 2 = 0, whose roots are y=1, 2

Answer 9

SOoooOOOooo which is correct?

Answer 10

Can't both? Its been a while since I was in high school. This is where my knowledge ends.

Answer 11

lol just reread this question. wha a fool i am,

Answer 12

is that triangle to scale?