Across
- 2. A cylindrical pipe has inner radius 3 cm, outer radius 4 cm, and length 10 cm. Find the volume of metal used in π cm3. Example: If the answer is 30π cm3, then simply write thirty.
- 6. Find the total surface area of a hemisphere of diameter 20 cm? Provide an answer as a multiple of π cm2. Example : if the answer is 20π cm2 , then simply write twenty in the crossword puzzle.
- 9. A cone has a slant height 13 cm and radius 5 cm. Find its curved surface area in π cm2. Example : if the answer is 20π cm2 , then simply write twenty .
- 11. A solid is made by joining a hemisphere and a cylinder of same radius 5 cm. Height of cylinder is 10 cm. Find total surface area? If the answer is 150π cm2, then simply write OneHundredFifty.
Down
- 1. A hemisphere bowl has an inner radius 4 cm and thickness 1 cm. Find the volume of material used in π cm3. Example: If the answer is 30.6 π cm3, then simply write thirtyOne by rounding up.
- 3. A toy top is made of a hemisphere and a cone of both 3 cm radius. The slant of the cone is 5 cm. What is the surface area of the top in π cm2.Example : if the answer is 20π cm2 , then simply write twenty
- 4. A cake is in the shape of a Frustum of a Cone with a radius of 5 cm and 10 cm and a height of 10 cm. The cake is cut into 10 equal pieces. What is the volume of each piece in π cm3? Answer the question to the nearest integer.
- 5. A cylindrical tank of radius 3 m and height 7 m is filled with water. Water is poured into a hemispherical bowl of radius 3 m. How many such FULL bowls can be filled?
- 7. A cylinder has radius 5 cm and height 14 cm. Find its curved surface area. If the answer is 150π cm2, then simply write OneHundredFifty.
- 8. What is the curved surface area of a hemisphere of radius 7 cm? Provide an answer as a multiple of π cm2. Example : if the answer is 20π cm2 , then simply write twenty in the crossword puzzle.
- 10. A solid sphere of radius 3 cm is melted and recast into a cylinder of height 4 cm. What is the radius of the new cylinder in cmr?