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CBSE Class 10 Answered

A toy is the form of a cone mounted  on a hemisphere of base radius 7cm the total height of the toy is 31 cm find the total  surface area of the toy 
Asked by deepaksingh262212 | 24 Feb, 2019, 05:46: PM
answered-by-expert Expert Answer
cone radius = 7 cm, cone height = 24 cm, cone slant height = begin mathsize 12px style square root of 7 squared plus 24 squared end root space equals space 25 space c m end style
cone surface area + hemisphere surface area  = π×7×25 + 2π×7×7 ≈ 858 cm2
Answered by Thiyagarajan K | 24 Feb, 2019, 08:41: PM

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