# Geometry Proof : Isoceles Triangle

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1.Given: B is the midpoint of AC

BD is perpendicular to AC

Prove Triangle ADC is isosceles

(hint: first prove triangle CBD is congruent to triangle ABD)

The second part uses to same diagram

Given DB is perp to AC

AD is congruent to DC

m of angle C is 70 degrees

Find measure of ADB

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#### Solution Summary

An isoceles triangle roof is provided. The solution is detailed and well presented. The response received a rating of "5" from the student who originally posted the question.

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