Question

triangle ABC and triangle DBC are two isosceles triangles on same base BC as shown in figure. Show that angle ABD = angle ACD​

Answer 1

Step-by-step explanation:

angle 1 = angle 2 because the the angle opposite to equal sides are equal

angle 4 question 3 by above rule

so angle 12234 so angle 2 + angle 4 equals to angle 3 + angle one because they are equal so angle ABD is equals to angle ACD