Advertisements
Advertisements
प्रश्न
A conical pit of top diameter 3.5 m is 12 m deep. What is its capacity in kilolitres?
`["Assume "pi=22/7]`
उत्तर
Radius (r) of pit = `(3.5/2) m` = 1.75 m
Height (h) of pit = Depth of pit = 12 m
Volume of pit = `1/3pir^2h`
= `[1/3xx22/7xx(1.75)^2xx12]cm^3`
= 38.5 m3
Thus, the capacity of the pit
= (38.5 × 1) kilolitres
= 38.5 kilolitres
APPEARS IN
संबंधित प्रश्न
Find the capacity in litres of a conical vessel with radius 7 cm and slant height 25 cm.
`["Assume "pi=22/7]`
The height of a cone is 15 cm. If its volume is 1570 cm3, find the radius of its base. [Use π = 3.14]
If the radius and slant height of a cone are in the ratio 7 : 13 and its curved surface area is 286 cm2, find its radius.
Find the area of canvas required for a conical tent of height 24 m and base radius 7 m.
Find the area of metal sheet required in making a closed hollow cone of base radius 7 cm and height 24 cm.
Find the length of cloth used in making a conical pandal of height 100 m and base radius 240 m, if the cloth is 100 π m wide.
The total surface area of a cone of radius `r/2` and length 2l, is
If the height and radius of a cone of volume V are doubled, then the volume of the cone, is
The ratio of the volume of a right circular cylinder and a right circular cone of the same base and height, is
Volume of a cone is 6280 cubic cm and base radius of the cone is 20 cm. Find its perpendicular height. (π = 3.14)
