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.)

The Light Dawns

| Comment 42 of 59 |

(In reply to Reply to Tom by vohonam)

I see it now. It's the same trouble I had with Happy: it took me a while to recognize that EF = FB. Once that is established, everything else follows.

Posted by TomM on 2002-06-20 18:46:21

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