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Theory

 1 Surface area of a sphere 2 Surface area of a hemisphere 3 Example problem of a sphere 4 Example problem of a hemisphere

Exercises

 1 Say true or false Difficulty: easy 2 2 Find the radius of a sphere Difficulty: easy 3 3 Find the diameter of the sphere Difficulty: easy 3 4 Find the radius of the hemisphere Difficulty: easy 3 5 Calculate the surface areas of a hemisphere Difficulty: medium 4 6 Find the radius and surface area of a hemispherical solid Difficulty: medium 3 7 Determine the cost of tin-plating the hemispherical bowl Difficulty: medium 4 8 Find the ratio of surface area of the balloons Difficulty: medium 4 9 How much money needed to buy the cloth Difficulty: medium 4 10 Evaluate the cost of manufacturing the footballs Difficulty: medium 4 11 Complete the table Difficulty: hard 6 12 Calculate the surface area and radius of the hemispherical glass dome Difficulty: hard 5 13 Find the increased percentage in surface area Difficulty: hard 4

Tests

 1 Training test Difficulty: medium 9 2 Training test Difficulty: medium 10

Teacher manual

 1 Methodical recommendation