প্রশ্ন সংশোধন করুন
প্রশ্ন:
In a rectangle, if the angle between a diagonal and a side is 30 degree and the length of diagonal is 6 cm, the area of the rectangle is---
In a rectangle, if the angle between a diagonal and a side is 30 degree and the length of diagonal is 6 cm, the area of the rectangle is---