- A55
- B49
- C110
- D61
Step-by-Step Solution
Diagonals of a rhombus are perpendicular, so angle AOB = 90°. In triangle AOB, angle ABO = 180 - 90 - 35 = 55°.
Answer: A) 55
Don't just memorise the answer — build a daily practice habit.
Practice 5 Similar Questions Free →All Special Parallelograms practice questions