Since,ABCD is a rhombus =>diagonals bisect each other at 90
b=26. (In a rhombus all sides are parallel)
To find a
In triangle, ABD
Angel ADB=26. ( base angle ppty)
=> Angel a=26+26+a=180. ( angle sum ppty of a triangle)
=>a=180-52=128
Hope this helps u...!!
