Two boats start their journey from the same point A and travel along directions AC and AD, as shown below.

What is the distance, CD, between the boats?

Question

Two boats start their journey from the same point A and travel along directions AC and AD, as shown below.
 
What is the distance, CD, between the boats?

zeesbrat3 · Answer

attachment

ganeshie8 · Answer

let
BC = y, CD =x

ganeshie8 · Answer

u familiar with SOH CAH TAO ?

zeesbrat3 · Answer

Ya, I finally figured it out. I was supposed to do $$200\div \sqrt{3}$$

ganeshie8 · Answer

yep!
that gives BC

zeesbrat3 · Answer

I kept doing it the other way around

ganeshie8 · Answer

hmm ok... 
now u know how to find CD

may i know whats the other way u tried...

zeesbrat3 · Answer

What do you mean?

ganeshie8 · Answer

hmm just curious.. wd like to know the other method u tried

zeesbrat3 · Answer

I first found CD because it was $$200\sqrt{3}$$ then I subtracted the answer from $$200\div \sqrt{3}$$

zeesbrat3 · Answer

I got it wrong the first time because I switched everything

ganeshie8 · Answer

ohhk... 

you have first found BD = 200$\sqrt{3}$
then subtracted  BC... 


nice..  good work :))