Question

in the figure ad =bc and bd =ca prove that angle adb =angle bca ​

Answer 1

angle A =50

but AB=AC

angle B=angleC (angle oppsite to the equal sides are equal )

:.

in triangle ABC

angle A + angle + B angle C =180(angle of a triangle =180)

50+2 angle B = 180

2 angleB =180-50

2 angleB =130

angle B = 130/2 = 65