Question

The diagonale AC and BD of a quadri lateral ABCD in figure intersect at night angles, AD= AB and of LDAC = 30° and LDB C = 20; find the measure of each of the angles a, b, c d and e De=BC marked ઉ074 D eli AB 20° 0 180-20 С. 09)​

Answer 1

Answer:

Here is your answer in the above photo☝️