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Diameter (d) = 3.5 m Radius (r) _ diameter 3.5 m = 35 m - 2 = 2 20 Deep, i.e., height (h) = 12 m Capacity of the pit = vh 3 1 = - > 22 35 - - > 35 x 12 ma 3 7 20 20 = 38.6 ma = 38.6 kilolitres. (1 ma = 1kl]

Diameter (d) = 3.5 m
Radius (r) _ diameter 3.5 m = 35 m
- 2 = 2 20
Deep, i.e., height (h) = 12 m
Capacity of the pit = vh
3

1
= - ><

22 35
- - ><

35 x 12 ma

3 7 20 20
= 38.6 ma = 38.6 kilolitres.
(1 ma = 1kl]

Grade:12th pass

1 Answers

Pawan Prajapati
askIITians Faculty 6228 Points
3 months ago
Diameter = 28 cm, radius = = 14 cm (i) Volume of cone = 9866 cm3 3 )( 7 )( 14 x 14 x h = 9856 h = 4866 x 3 => h = 48 44 x14 .. Height (h) of the cone = 48 cm. (ii) Slant height of cone (l) = (14)2 + (48)2 cm = ../196 +2304 cm = .J2500 cm = 60 cm. (W). Curved surface area of the cone = rrrl = 22 x 14 x 50 = 2200 cm2• 7

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