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MATH / Triangles ABC and ABD are isosceles with AB=AC=BD, and (BD)¯ intersects (AC)¯ at E. If (BD)¯⊥(AC)¯, then what is the value of ∠C+∠D? [asy] import olympiad; import geometry; size(15… · Discussion

Discussing Triangles ABC and ABD are isosceles with AB=AC=BD, and (BD)¯ intersects (AC)¯ at E. If (BD)¯⊥(AC)¯, then what is the value of ∠C+∠D? [asy] import olympiad; import geometry; size(15… · MATH

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