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CBSE Class 9 Answered

  In a right prism, the base is an equilateral triangle.Its volume is135 square root of 3cm and lateral surface area is 270c m squared.If height of the prism is increased by 60%, then the new volume will be  A) 140 square root of 3 c m cubed B) 216 square root of 3 c m cubed C) 236 square root of 3 c m cubed D) 306 square root of 3 c m cubed  
Asked by adalroshan2464 | 17 Nov, 2018, 06:11: PM
answered-by-expert Expert Answer
volume is proportional to height. If height is increased by 60%, then volume also will increase by 60%
 
modified volume = 135×√3×1.6 = 216√3 cm3
Answered by Thiyagarajan K | 17 Nov, 2018, 11:28: PM

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