Side AC of triangle ABC is produced to D, so that CD = CB , if angle ACB = 70 degree, value of angle ADB is?

Question

please solve..

Answer 1

According to the given data, the figure comes out like this

Here , and .

Form the figure and

So,

Since , forms an isosceles triangle.

The angles opposite the equal sides of an isosceles triangle are equal.

So, .

Sum of the three angles in a triangle is 180.

In ,

            (Since )

So,

From the figure

So,