trig solve

**zachcumer** · June 2nd 2008, 06:03 PM

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

**Mathstud28** · June 2nd 2008, 06:05 PM

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

**zachcumer** · June 2nd 2008, 06:14 PM

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

**Mathstud28** · June 2nd 2008, 06:22 PM

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

**zachcumer** · June 2nd 2008, 06:31 PM

okay...no idea where to begin..

Thread: trig solve