Square units 13 by 9 of an office area is

The area of circle is 38.5 sq. cm. Its circumference is?

The perimeter of two square is 12 cm and 24 cm. The area of the bigger square is how many times that of the smaller?

The area of the sector of a circle, whose radius is 12 meters and whose angle at the centre is 42, is?

Area of a four wall of a room is 77 square meters . the length and breadth of room are 7.5 meters and 3.5 meters respectively . the height of the room is?

The ratio of the radii of two circle is 1:3 the radio of their areas is?

↑