# Math Help - trig solve

1. ## trig solve

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

2. 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

3. cool thanks. but what about thirty same thing...?

4. 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

5. okay...no idea where to begin..