- Metallic spheres of radii 6cm'8cm and 10cm respectively are melted to form a single sphere
- The length of the minute hand of a clock is 14cm . find the area swept by the minute hand in 5minutes
A well of diameter 3M is dug 14m deep the earth taken out of it has been spread evenly all around it in the shape of a circular ring of wide 42 front and embankment find the height of embankment
Prove the ratio of the area of the similar triangles is equal to the square of the ratio of their corresponding sides