Posted by :) on Monday, March 5, 2012 at 1:06pm.
A side 2.8m long makes an angle of 25 degrees with the ground how high is the top of the slide above the ground .

Trigonometry  Steve, Monday, March 5, 2012 at 2:30pm
Try reviewing your trig functions and post an attempt at some of these. We'll be happy to check your work.
They're all pretty straightforward applications of the definitions of trig functions and Pythagorean Theorem.