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Asked by Keisam Robin
Oct 11, 2013
Find the length of the longest rod that can be placed in a room 12 m long, 9 m broad and 8 m high.
Given length l = 12 m
breadth b = 9 m and height h = 8 m
Longest rod that can be placed in a room is nothing but its diagonal.<...
Asked by Shahnawaz
Jan 9, 2014
A cone ,hemisphere and a cylinder stand on equal base and have same height .then ratio of their volume is? Show it.
Volume of cone = (1/3)Ï€r2h
Volume of hemisphere = (2/3)
Asked by G Bhanuteja
Feb 27, 2014
Q. A semi circular sheet of metal of diameter 28 cm is bent into an open conical cup. Find the depth and capacity of cup.
Given diameter = 28 cm
Radius, r = 14 cm
Circumference of semi circle = πr
= (22/7) x 14 = 44 cm
This becomes circumference of base of cone
2
A sphere and a cube have the same surface area . show that the ratio of the volumes of the sphere to that of the cube is √6 : √π.
Let
Asked by Keisam Robin
Oct 16, 2013
The outer dimensions of a closed wooden box are 10 cm by 8 cm by 7 cm. Thickness of the wood is 1 cm. Find the total cost of wood required to make box if 1 cm³ of wood cost ₹2.00
Given outer length = 10 cm
Outer breadth = 8 cm
Outer height = 7 cm
Outer volume = length × breadth × height
= 10 × 8 ...
Asked by Abraham
Feb 4, 2015
Three cubes each of side 5 cm are joined to the end. find the surface area of the resultant cuboid.
Three cubes each of side 5 cm are joined to the end. find the surface area of the resultant cuboid.
Given, each side of the cube is 5 cm. When three cubes are joined end to end, then the resulting solid is a cuboid. Length of the cuboid,
Asked by Kanishka Tayal
Mar 1, 2014
AB and CD are 2 parallel chords of a circle such that AB=10cm CD =24cm if 2 chords are on the opp side of the centre and the distance b/w them is 17cm find the radius of circle.
Asked by Dhruv Son
Mar 9, 2015
The length of longest pole that can be put in a room of dimensions (10m x 10m x 5m) is _________.
Length of the diagonal =
Asked by Sahilrao
Nov 29, 2014
Write all the formulas in Surface areas and volumes.
Asked by Sreepriya
Feb 24, 2015
A sphere ,cylinder and a cone of same radius and same height find the ratio of their CSA.
Since, the height of a sphere is the diameter, the cone and cylinder have height 2r. Then
Curved surface ar...