A tent is in the form of a cylinder whose height is surmounted by a cone of equal base . The diameter of base is 105 m . The slant height of cone is 50m . Find the cost of cloth at rs. 15 per sq metre to make the tent.
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Answer:Given:
Cylinder
h = 5m
Cone
d = 105m
r = 105/2
l = 50m
r of cone = r of cylinder
To find : CSA of the tent + cost
CSA of tent = CSA of cylinfer + CSA of cone
Proof : CSA of cylinder =2*22/7*105/2*5
22*75
1650m²
CSA of cone = πrl
22/7*150/2*50
550*15
8250m²
CSA of tent = CSA of cylinfer + CSA of cone
1650+8250=9900m²
cost=15*9900
148500
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