Posted by kourtney on Thursday, May 12, 2011 at 3:44pm.
This is an Isoceles triangle whose base
is 14 units long.
(14/2)^2 + h^2 = (25)^2,
h^2 = 625 - 49 = 576,
h = 24 units.
A = bh/2 = 14*24/2 = 168 sq. units.
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