With 6 plane surfaces let me make a solid figure and write my observations for the solid made.

With five 9 's', let me make 1000

Name two gases which react with each other to form a solid. Give th equation and write down the name of the solid formed.

Total surface area of a solid hemisphere of radius 7 cm is

Total surface area of a solid hemisphere and the curved surface area of a solid sphere are same. Find the ratio of the lengths of the radius of hemisphere and shpere.

The whole surface area of a solid hemisphere with length of 7 cm radius is

If a solid sphere is melted to make a solid circular cylinder , then the volumes of the sphere and the cylinder are ………

Whole surface area of a solid hemisphere is equal to the curved surface area of a solid sphere. Find the ratio of lenghts of radius of hemisphere and sphere.

Fill in the blanks By melting a solid sphere, a solid right circular cylinder is made. The ratio of the volume of sphere and cylinder is_____.

The numbers of plane surface of a solid hemisphere are _____________

At present, my father’s age is 7 times of my age. After 10 years my father’s age will be 3 times of my age. Let’s find and write the present age of my father and me.