# trig solve

• June 2nd 2008, 07:03 PM
zachcumer
trig solve
Can someone help me with problem 29 and 30 on the attached. You use a proportion no? thanks
• June 2nd 2008, 07:05 PM
Mathstud28
Quote:

Originally Posted by zachcumer
Can someone help me with problem 29 and 30 on the attached. You use a proportion no? thanks

Set up the proportion based on the similar triangles

$\frac{115}{85+115}=\frac{h}{140}$

now solve
• June 2nd 2008, 07:14 PM
zachcumer
cool thanks. but what about thirty same thing...?
• June 2nd 2008, 07:22 PM
Mathstud28
Quote:

Originally Posted by zachcumer
cool thanks. but what about thirty same thing...?

Yes, but be careful with the set-up....report back when you have set itu p
• June 2nd 2008, 07:31 PM
zachcumer
okay...no idea where to begin..