Find The Angle #1

Geometry Level 3

If

∠ C A D = ∠ B A C = 2 0 ∘ \angle CAD = \angle BAC = 20^\circ , and

∠ D B A = ∠ C B D = 4 0 ∘ \angle DBA = \angle CBD = 40^\circ .

Determine ∠ B D C = ? \angle BDC = ? .

This problem is a part of the set Find the Angle!


The answer is 30.

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Arpit MIshra by Arpit MIshra , 21, India

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1 solution

Despicable Tamim
Apr 24, 2015

see the solution of Find The Angle #3 ( problem 3 )

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