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ICSE Class 10 Answered

Q 1
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Asked by Rayeesa | 29 May, 2018, 07:53: AM
answered-by-expert Expert Answer
begin mathsize 16px style straight d space equals space 6 space cm space.... diameter space of space straight a space Sphere rightwards double arrow radius space equals space 3 space cm Volume space of space straight a space Sphere space equals space 4 over 3 πr cubed space equals space 4 over 3 cross times space 3.14 space cross times 3 cubed space equals space 113.04 cm squared space sphere space is space melted space and space drawn space into space straight a space wire space having space diameter space of space the space cross space section space equals space 0.2 space cm let space the space length space of space the space wire space equals space straight l space cm Volume space of space straight a space Cylinder space equals space πr squared straight h rightwards double arrow 113. space 04 space equals space 3.14 space cross times left parenthesis 0.2 right parenthesis squared cross times space straight l rightwards double arrow straight l space equals space fraction numerator 113.04 space over denominator 0.1256 end fraction equals space 900 space cm end style
Answered by Yasmeen Khan | 29 May, 2018, 11:12: AM

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ICSE 10 - Maths
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