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Surface Area of a Sphere and Hemisphere

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

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

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

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