perplexus.info :: Geometry : Hardest easy geometry problem

Hardest easy geometry problem (Posted on 2016-11-04)

Given: triangle ABC with D on AC and E on BC,
angle CAE = 10°,
angle BAE = 70°,
angle CBD = 20°, and
angle ABD = 60°.

Find angle AED using only elementary geometry (no sines, cosines , or any other trigonometry.)

No Solution Yet Submitted by Jer

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