UPSKILL MATH PLUS

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Surface Area of a Sphere, Hemisphere, Hollow Hemisphere and Frustum of a cone

1.	Surface area of a sphere
2.	Surface area of a hemisphere and hollow hemisphere
3.	Surface area of a frustum of a cone
4.	Example problems of a sphere and frustum of a cone
5.	Example problems of a hemisphere and hollow hemisphere

1.	Multiple choice question I Difficulty: easy	1
2.	Multiple choice question II Difficulty: easy	1
3.	Two marks example problem I Difficulty: medium	2
4.	Two marks example problem II Difficulty: medium	2
5.	Two marks example problem III Difficulty: medium	2
6.	Two marks example problem IV Difficulty: medium	2
7.	Five marks example problem I Difficulty: hard	5
8.	Five marks example problem II Difficulty: hard	5
9.	Five marks example problem III Difficulty: hard	5
10.	Five marks exercise problem I Difficulty: hard	5
11.	Five marks exercise problem II Difficulty: hard	5
12.	Five marks exercise problem III Difficulty: hard	5

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 height of the frustum Difficulty: easy	3
5.	Find the slant height of the glass Difficulty: easy	3
6.	Find the radius of the hemisphere Difficulty: easy	3
7.	Calculate the surface areas of a hemisphere Difficulty: medium	4
8.	Find the radius and surface area of a hemispherical solid Difficulty: medium	4
9.	Determine the cost of tin-plating the hemispherical bowl Difficulty: medium	4
10.	Find the ratio of surface area of the balloons Difficulty: medium	4
11.	How much money needed to buy the cloth Difficulty: medium	4
12.	Determine the curved surface area of the frustum Difficulty: medium	4
13.	Find the curved surface area of the bucket Difficulty: medium	4
14.	Determine the cost of painting the frustum part of the lamp Difficulty: medium	4
15.	Find the cost to paint the vessel Difficulty: medium	4
16.	Complete the table Difficulty: hard	6
17.	Evaluate the cost of manufacturing the footballs Difficulty: hard	4
18.	Calculate the surface area and radius of the hemispherical glass dome Difficulty: hard	5
19.	Find the increased percentage in surface area Difficulty: hard	4
20.	Determine C.S.A. and T.S.A. of the shell. Difficulty: hard	6
21.	Find the height and the curved surface area of the frustum Difficulty: hard	4

1.	Find C.S.A. and T.S.A. of the shell Difficulty: hard	5
2.	Cost of painting the lamp Difficulty: hard	5

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