Methodical recommendation:
Theory
| Number | Name | Description |
|---|---|---|
| 1. | Surface area of a sphere | Learn surface area of a sphere and their properties. |
Practice Questions
| Number | Name | Type | Difficulty | Marks | Description |
|---|---|---|---|---|---|
| 1. | Find the diameter of the sphere | Other | easy | 2 m. | Find the diameter of the sphere using surface area of a sphere. |
| 2. | Find the ratio of surface area of the balloons | Other | easy | 3 m. | Problem to find the ratio of surface area of the balloons in two cases using surface area formula. |
| 3. | Calculate the surface area of a sphere | Other | easy | 3 m. | Work on the problem to find the diameter of a sphere when surface area is given. |
| 4. | Evaluate the cost of manufacturing the footballs | Other | medium | 4 m. | Work on the problem to find the cost of manufacturing the footballs. |
| 5. | Determine the ratio of the surface area of a moon and earth | Other | medium | 3 m. | Determine the ratio of the surface area of a moon and earth using surface area formula. |
| 6. | Calculate the cost required to paint a volleyball | Other | medium | 4 m. | Calculate the cost required to paint a volleyball using surface area formula. |
| 7. | Find the increased percentage in surface area | Other | hard | 4 m. | Problem to find the increased percentage in surface area of a sphere. |
| 8. | Calculate the surface area of the vessel | Other | hard | 3 m. | Calculate the surface area of the vessel that contains a spherical Gulab jamuns. |