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2018.6

Part of Ukraine Correspondence MO - geometry

Problems(1)

AB = 2DE if <B = 2<C where AD , AE altitude ,median of ABC

Source: 2018 All-Ukrainian Correspondence MO grades 5-12 p6

4/29/2021
Let ADAD and AEAE be the altitude and median of triangle ABCABC, in with ∠B=2∠C\angle B = 2\angle C. Prove that AB=2DEAB = 2DE.
geometryequal segmentsequal anglesUkraine Correspondence