Let triangle ABC have \angle A = 70^\circ, \angle B = 60^\circ, and \angle C = 50^\circ. Extend altitude BH past H to point D so that BD = BC. Find \angle BDA in degrees.
Let triangle ABC have \angle A = 70^\circ, \angle B = 60^\circ, and \angle C = 50^\circ. Extend altitude BH past H to point D so that BD = BC. Find \angle BDA in degrees.