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CBSE Class 11-science Answered

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Asked by nitishkrnehu09 | 10 Dec, 2017, 11:06: PM
answered-by-expert Expert Answer
begin mathsize 16px style straight r subscript 1 equals 20 space cm straight h subscript 1 equals 10 space cm straight r subscript 2 equals 15 space cm total space volume space is space volume space of space hemisphere plus 2 space frustums 2 over 3 πr subscript 1 cubed plus 1 third straight pi open parentheses straight r subscript 1 squared plus straight r subscript 2 squared plus straight r subscript 1 straight r subscript 2 close parentheses cross times straight h subscript 1 cross times 2 subtract space volume space of space cylinder space straight pi straight r squared straight h space straight h equals ? space comma space straight r equals 12 now space imagine space straight a space chord space of space lenght space 24 perpendicular space from space centre space will space bisect straight a space rt increment space is space formed so space perpendicular space distance space is space 16 so space total space straight h equals 36 subtract ans space is space left parenthesis straight A right parenthesis end style
 
Answered by Arun | 12 Dec, 2017, 04:40: PM

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CBSE 11-science - Maths
A point P is on the x-axis. What are its y-coordinate and z-coordinate?
Asked by Topperlearning User | 20 Feb, 2015, 09:46: AM
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CBSE 11-science - Maths
A point P is at a distance of 3 units from the origin on the y axis. Write the coordinates of P.
Asked by Topperlearning User | 13 Nov, 2016, 08:56: PM
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CBSE 11-science - Maths
A point is in the YZ plane. What is the value of the x-coordinate?
Asked by Topperlearning User | 20 Feb, 2015, 09:47: AM
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CBSE 11-science - Maths
Write the coordinates of points in the X-Y plane.
Asked by Topperlearning User | 20 Feb, 2015, 09:47: AM
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CBSE 11-science - Maths
Name the octants in which the following points lie:(i) (3,2,5) (ii) (2,-3,5) (iii) (-5,-3,2)(iv) (-5,-3,-2) (v) (-3,2,5) (vi) (3,-2,-5)(vii) (3,2,-5) (viii) (-3,2,-5).
Asked by Topperlearning User | 13 Nov, 2016, 08:50: PM
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CBSE 11-science - Maths
A points P is on the y-axis. What are its x-coordinate and z-coordinates?
Asked by Topperlearning User | 04 Jun, 2014, 01:23: PM
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CBSE 11-science - Maths
A point P is at a distance of 6 units from the origin on the Z axis. Write the coordinates of P
Asked by Topperlearning User | 13 Nov, 2016, 08:52: PM
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CBSE 11-science - Maths
A point is in the XZ-plane. What is the value of the y-coordinate.
Asked by Topperlearning User | 04 Jun, 2014, 01:23: PM
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CBSE 11-science - Maths
Name the octant in which the following points lie : (i) (4,-2,-5) (ii) (-4,2,-5)(iii) (1,2,3)
Asked by Topperlearning User | 13 Nov, 2016, 08:54: PM
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CBSE 11-science - Maths
Write the coordinates of points in the Y-Z plane
Asked by Topperlearning User | 13 Nov, 2016, 08:54: PM
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