The ratio of the area of a square to that of the square drawn on its diagonal is :
1). 1:1
2). 1:2
3). 1:3
4). 1:4
1. If the ratio of edges of two cubes 3 : 4, then what is the ratio of the volume of the two cubes?
2. The perimeter of a semicircular path is 36 m. Find the area of this semicircular path
5. The radius of a circle is a side of a square. The ratio of the area of the circle and the square is
6. What is the perimeter of the sector whose central angle is 60° and radius of the circle is 21 cm?