Geometry

How do you find the altitudes of an isosceles triangle? Thanks!

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1. The altitude to the base of an isosceles triangle bisects the vertex angle.

The altitude to the base of an isosceles triangle bisects the base.

L - is the length of a leg
B - is the base
A - is the altitude

A = square root [ L ^ 2 - ( B / 2 ) ^ 2 ]

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posted by Bosnian

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