AE = 5 cm = base of a triangle. The other 2 sides are equal to 4 cm. Show, by calculation, that FX = 3.12 cm (correct to 2 decimal places), where FX is the height of a triangle (and the angle is 90 degrees).
Thank you for your help.
Last edited by JadeKiara; July 5th 2009 at 10:46 PM.