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.)

re(2): Oh wait - I gottit!

| Comment 30 of 59 |

(In reply to re: Oh wait - I gottit! by vohonam)

1 is as good a value as any. The lengths are totally irrelevant, so assuming 1 for an example case just simplifies the maths.
As for it being a geometry problem - maybe so, but I solved it my way and found the answer - feel free to post a shorter solution if you know it. Personally I feel no need to look for one now as I've already solved the problem.

Posted by Nick Reed on 2002-06-19 23:06:07

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