Total Surface Area of Hemisphere
Total Surface Area of Hemisphere
Total Surface Area of Hemisphere: The total surface area of Hemisphere of radius r is given by
Illustration: Find the surface area and total surface area of a hemisphere each of radius 10cm. .
Solution: We have, r = 10cm
Surface Area
Total Surface Area =
Illustration: The radius of a hemispherical balloon increases from 7 cm to 14 cm as air is being pumped into it. Find the ratios of the surface areas of the balloon in the two cases.
Solution: Let and
be the surface areas of the hemispherical balloon when its radii are 7 cm and 14 cm respectively. Then,
Find the total surface area of hemisphere if radius is 28 m. | |||
| Right Option : B | |||
| View Explanation | |||
Find the total surface area of Hemisphere of radius 12.6 cm | |||
| Right Option : C | |||
| View Explanation | |||
Find the total surface are of a hemisphere of radius 16 cm. | |||
| Right Option : B | |||
| View Explanation | |||
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My experience with Abhyas is very good. I have learnt many things here like vedic maths and reasoning also. Teachers here first take our doubts and then there are assignments to verify our weak points.
Shivam Rana
7thI have spent a wonderful time in Abhyas academy. It has made my reasoning more apt, English more stronger and Maths an interesting subject for me. It has given me a habbit of self studying
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Archit Segal
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8thAbhyas Methodology is very good. It is based on according to student and each child manages accordingly to its properly. Methodology has improved the abilities of students to shine them in future.
Manish Kumar
10thIt was a good experience with Abhyas Academy. I even faced problems in starting but slowly and steadily overcomed. Especially reasoning classes helped me a lot.
Cheshta
10thAbout Abhyas metholodology the teachers are very nice and hardworking toward students.The Centre Head Mrs Anu Sethi is also a brilliant teacher.Abhyas has taught me how to overcome problems and has always taken my doubts and suppoeted me.
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8thBeing a parent, I saw my daughter improvement in her studies by seeing a good result in all day to day compititive exam TMO, NSO, IEO etc and as well as studies. I have got a fruitful result from my daughter.
