Posted by Scott Smith on Sunday, October 9, 2011 at 6:59pm.
A ladder is placed so its foot is 2m from a wall. The ladder touches the top of a 2m fence that is 1.5m from the wall. How high up the wall does the ladder reach?

Mathmatics 10  Steve, Monday, October 10, 2011 at 10:13am
Draw a diagram. Using similar triangles, see that
h/2 = 2/1.5

Mathmatics 10  Steve, Monday, October 10, 2011 at 10:14am
Oops
Make that
h/2 = 2/(21.5) = 2/0.5
h = 8
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