Asked by | 4th Mar, 2009, 11:27: PM
Consider a triangle ABC,
To find the area we need a perpendicualr.
So, drop the perpendicular AD from A to BC.
We know that in an isoceles triangle perpendicular on the unequal side bisects that side.
In right triangle ABD,
So, are triangle ABC
=(1/2) base* altitude
Answered by | 5th Mar, 2009, 08:48: AM
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