Lateral Surface Area of Hemisphere
Lateral Surface Area of Hemisphere
Lateral Surface Area of Hemisphere: The curved surface area of hemisphere is known as Lateral surface area of hemisphere. The Lateral surface area of hemisphere of radius r is given by
Illustration: A hemi-spherical dome of a building needs to be painted. If the circumference of the base of the dome is 17.6 m, find the cost of painting it, given the cost of painting is Rs 5 per .
Solution: Given: Circumference of the base of the dome = 17.6 m and let S be the curved surface area of the dom.
As base of the dome is circular. So, we have
Now,
Converting
As the cost of painting = Rs 5
So, cost of painting =
So, cost of painting =
Find the lateral surface area of the hemisphere having the radius 9 cm. | |||
| Right Option : C | |||
| View Explanation | |||
Find the lateral surface area of the hemisphere having the radius 12 cm. | |||
| Right Option : A | |||
| View Explanation | |||
Find the radius of the hemisphere if curved surface area of the hemisphere is 2562 sq cm. | |||
| Right Option : C | |||
| View Explanation | |||
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8thAbhyas institute is one of the best coaching institute in the vicinity of Ambala Cantt area. The teachers of the institute are well experienced and very helpful in solving the problems of the students.The good thing of the institute is that it is providing extra classes for the students who are w...
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7thIn terms of methodology I want to say that institute provides expert guidence and results oriented monitering supplements by requsite study material along with regular tests which help the students to improve their education skills.The techniques of providing education helps the students to asses...
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10thAbhyas institute is one of the best coaching institute in the vicinity of Ambala cantt.The institute provides good and quality education to the students.The teachers are well experienced and are very helpful in solving the problems. The major advantages of the institute is extra classes for weak...
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