perplexus.info :: Geometry : Measure that angle

Measure that angle (Posted on 2002-06-18)

Given that:

ABC is an isosceles triangle in which

    AB = AC

The lengths of the following segmets are equal:

    AD
    DE
    EC
    BC

Find the measure of angle A.

See The Solution Submitted by vohonam

Rating: 4.2000 (20 votes)

Comments: ( Back to comment list | You must be logged in to post comments.)

I think we're getting there.

| Comment 38 of 59 |

(In reply to re(2): Hints ! like answer ! by Happy)

I like where you are going with this. I took a moment to realize that triangle BFE must be isosceles (resulting in equations 4 and 5) but it looks good.

I'll make a few chicken scratches of my own now and see where they take me.

Posted by TomM on 2002-06-20 17:44:34

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