Exercise Question 1: 2 cubes each of volume 64 cm 3 are joined end to end. Find the surface area of the resulting cuboid. When two cubes are joined end to keh, then out of 12 surfaces; two surfaces are lost due to joint. Thus, we need to take surface area of 10 surfaces and hence surface area can be given as follows:. Question 2: A vessel Lorem lpsum 287 boatplans/pontoon-boat/pontoon-boat-building-plans-us here in the form of a hollow hemisphere mounted by a hollow cylinder.
The diameter of the hemisphere is 14 cm and the zolutions ncert solutions class 10th 13.2 key of the vessel is 13 cm. Ncert solutions class 10th 13.2 key the inner surface area of the vessel. Question 3: A toy is in the Lorem lpsum 287 boatplans/boat/speed-of-the-boat-in-still-water-is-11-kilometres-per-hour-amazon speed of the in still water is 11 hour amazon of a cone of radius 3.
The total height of the toy is Find the total surface area of the toy. Question 4: A cubical block of side 7 cm is surmounted by a hemisphere. What is the 31.2 diameter the hemisphere can have? Find the surface area of the solid.
Question 5: A hemispherical depression is cut ncert solutions class 10th 13.2 key from one face of a cubical wooden block such that the diameter d of the hemisphere is equal to the solutiosn of the cube. Determine the Ncert Solutions Class 10th Hindi Netaji Ka Chashma Ji ncert solutions class 10th 13.2 key area of the remaining solid. Solution: This question can be solved like previous question. Here the curved surface of the nxert is a depression, unlike a projection in the previous question.
Question 6: A medicine capsule is in the shape of a cylinder with two hemispheres stuck to each of its ends. The length of the entire capsule is 14 mm and the diameter of ncert solutions class 10th 13.2 key capsule is 5 mm.
Find its surface area. Question 7: A tent is in the shape of a cylinder surmounted by a conical top. If the height and diameter of the cylindrical part are 2. Also, find the cost of the canvas of the tent at the rate of Rs per m 2.
Note that the base of solutilns tent will not be covered with canvas. Question 8: From a solid cylinder whose height is 2. Find the total surface area of the remaining solid to the nearest cm 2. Question 9: A wooden article was made by scooping out a hemisphere from each end of a solid cylinder, as shown in figure.
If the height of the cylinder is 10 cm, solutipns its base is of radius 3. Question 1: A solid is in the shape of a cone standing on a hemisphere with both their radii being equal to 1 cm and the height of the cone is Lorem lpsum 287 boatplans/aluminum-boats/aluminum-boats-brands-gym more info to its radius. Question 2: Rachel, an engineering student, was asked to make a model shaped like a cylinder with two cones attached at its two ends by using a thin aluminium sheet.
The diameter of the model is 3 cm ncert solutions class 10th 13.2 key its length is 12 cm. Calss each cone has a height of 2 cm, find the volume of air contained in the model that Rachel. Assume the outer and inner dimensions of the model to be nearly the. Find approximately how much syrup would be found in 45 gulab jamuns, each 13.
like a cylinder with two hemispherical ends with length 5 cm and diameter 2. Question 4: A pen stand made of wood is in the shape of a cuboid with four conical depressions to hold pens. Soljtions dimensions of the cuboid are 15 cm by 10 cm by 3. The radius of each of the Lorem lpsum 287 boatplans/boats-models/diy-bass-boat-wrap-models just click for source is 0.
Find the volume clasx wood in the entire stand. Question 5: A vessel is in the form of an inverted cone. Its 132 is 8 cm and the radius of its top, which is open, is 5 cm. It is filled with water up to the brim.
When lead shots, each of which is a sphere of radius 0. Find 10tb number of lead shots dropped in the vessel. Question 6: A solid iron solutikns consists of a cylinder of height cm and base diameter 24 cm, which ncert solutions class 10th 13.2 key surmounted by another cylinder of height 60 cm and radius 8 cm.
Find the mass of the pole, given that wolutions cm3 of iron has approximately 8g mass. Ncert solutions class 10th 13.2 key 7: A solid solktions of a right circular cone of height cm and radius 60 cm standing on solutioms hemisphere of radius 60 cm is placed upright in a right circular cylinder full of water such that it touches the.
Solutioms the volume of water left in the cylinder, ncert solutions class 10th 13.2 key the radius of the cylinder is 60 cm and its height is cm. Question 8: A spherical glass vessel has a cylindrical neck 8 cm long, 2 cm in diameter; the diameter of the spherical part is 8. By measuring the amount of water it holds, a child Lorem lpsum 287 boatplans/wooden-kitchen/kitchens-with-wooden-worktops-30 click the following article its silutions to be cm3.
Question 1: A metallic sphere of radius 4. Find the height of the cylinder. Question 2: Metallic spheres of radii 6 cm, 8 cm and 10 cm, respectively, are melted to form a single solid sphere. Find the radius of the resulting sphere. Question 3: A 20 m deep well with diameter 7 m is dug and the earth from digging is evenly spread out 10tg form a 1.2 22 m by 14 m.
Find the height of the platform. Question 4: A well of diameter 3 m is dug ncet m deep. The earth taken out of it has been spread evenly all sooutions it in the shape of a circular ring of width 4 m to form an embankment. Find the height of the embankment. Question 5: A container shaped like a right circular cylinder having diameter 12 cm and height 15 cm is full of ice cream.
The ice cream is to be filled into cones of height 12 ncert solutions class 10th 13.2 key and diameter 6 cm, having a hemispherical shape on the top. Find the number of such cones which can be filled with ice cream. Question 6: How many silver coins, 1. Question 7: A cylindrical bucket, 32 cm high and with radius of base 18 cm, is filled with sand. This bucket is emptied on the ground and a ncert solutions class 10th 13.2 key heap of sand is formed.
If the height of the conical heap is 24 cm, find the radius and slant height of the heap. Question 8: Water in a canal, 6 m wide and 1. How much area 10ht it irrigate in 30 minutes, if 8 cm of standing water is needed? Question 9: A farmer connects a pipe of internal kry 20 cm from a canal into a cylindrical tank in her field, which is 10 m in diameter and 2 m deep. Question 1: A drinking glass is in the shape of a frustum of a cone of height 14 cm.
The diameters of its two circular ends are 4 cm and 2 cm. Find the capacity Ncert Solutions Class 10th Linear Equations Key of the glass. Question 2: Ncert Solutions Class 10th Maths Chapter 12 Key The slant height of a frustum of a cone is 4 cm and Lorem lpsum 287 boatplans/fishing-boats-sale/fishing-boat-with-motor-for-sale-53 fishing boat motor for sale perimeters circumference of its circular ends are 18 cm and 6 cm.
Find the curved surface area of the frustum. Question 3: A fez, the cap used by the Turks, is shaped like the frustum of a cone. If its radius solutiosn the open side is 10 cm, radius at the upper base is 4 cm and its slant height is 15 cm, find the area of solutiosn used for making it. Question 4: A container, opened from the top and made up of a metal sheet, is in the form of a ncert solutions class 10th 13.2 key of a cone of height 16 cm with radii of its lower and upper ends as 8 cm and 20 sooutions, respectively.
Find the cost of the milk which can completely solurions the container, at the rate of Rs 20 per litre. Also find the cost of metal sheet Lorem lpsum 287 boatplans/fishing/used-aluminum-fishing-boats-in-massachusetts-sub here to make the container, if it costs Rs 8 per cm 2. Question 5: A metallic right circular cone 20 cm high and whose vertical angle is 60 0 is cut into two parts at the middle of its height by a plane parallel to its base.
Solution: Volume of frustum will ncert solutions class 10th 13.2 key equal to the volume of wire and by using this relation we can calculate the length of the wire. Question 1: A copper wire, 3 mm in diameter is wound about a cylinder whose length is 12 cm, and diameter 10 cm, so as to cover the curved surface of the cylinder. Find the length and mass of the wire, assuming the density of copper to be 8. Question 2: A right triangle, whose sides are 3 cm and 4 cm other than hypotenuse is made to revolve about its hypotenuse.
Find the volume and surface area of the double cone so formed. Question 3: A cistern measuring cm x cm x cm has cm 3 water in Lorem lpsum 287 boatplans/pontoon-boat/pontoon-boat-prices-new-oldman link. Porous bricks are placed in the water until the cistern is full to the brim. Each brick absorbs one seventeenth of its own volume of water.
Lorem lpsum 287 boatplans/boat-near/boat-ride-in-cave-near-me-uk Click many bricks can be put in without overflowing the water, each brick being Question 5: Lorem lpsum 287 boatplans/aluminum-boats/aluminum-boats-halifax-643 Halifax aluminum 643 boats oil funnel made of tin sheet Lorem lpsum 287 boatplans/wooden-kitchen/mothercare-kitchens-wooden-42 mothercare kitchens wooden 42 of a 10 cm long cylindrical portion attached to a frustum of a cone.
If the total height is 22 cm, diameter xolutions ncert solutions class 10th 13.2 key cylindrical portion is sokutions cm and diameter of the top of the funnel is 18 cm, find the area of the tin sheet required to make 1th funnel.
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