In a square ABCD, the diagonals AC and BD intersected at ‘O’, then = ___________.

If the side of a square is 25 cm, then its area is 

The area of a trapezium is 1/2 (a²- b²) sq.units, where ‘ a ’ and ‘ b ’ are parallel sides. Then the distance between a 

and  b  is

In a rectagle, length is 40 cm, breadth is 30 cm, then its area is 

Area of a ring is

If the side of a square is 60 cms, then its perimeter is

The angle of  a  sector is 72°  and its radius is 14cm,  then length of its arc is ________.

The area of a rhombus is 96 sq.cm. Length of one diagonal is

30⁰ , 60⁰ and 90⁰ are the angle measures of which type of the following triangle?

If the area of a sector is ‘A’ and the length of the arc is‘ l ’ . Then its radius is ____________ .