Posted by **Avery** on Sunday, September 5, 2010 at 6:47am.

Can anyone help me answer this question...

Find the area of a right isoscles triangle if the altitude on the hypotenuse is 4 cm.

- Math- Geometry -
**drwls**, Sunday, September 5, 2010 at 8:24am
A right isosceles triangle has two 45 degree angles and is half of a square, divided along a diagonal. The altitude on the hypotenuse (4) is half the hypotenuse, so the hypotenuse is 8. The area is

A = (1/2)*4*8 = 16

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