volume and surface area of solids Archives

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Deepak Bora

Asked: August 5, 2020In: CBSE

A cylindrical container of radius 6 cm and height 15 cm is filled with ice-cream. The whole ice-cream has to be distributed to 10 children in equal cones with hemispherical tops. If the height of the conical portion is 4 times the radius of its base, then find the radius of the ice-cream cone.

This question is the combination of cylindrical structure and cone structure by using given parameters we will find the final radius of the cone. Question from RS Aggarwal book, page number 787.

Deepak Bora

Asked: August 5, 2020In: CBSE

A military tent of height 8.25 m is in the form of a right circular cylinder of base diameter 30 m and height 5.5 m surmounted by a right circular cone of same base radius. Find the length of canvas used in making the tent, if the breadth of the canvas is 1.5 m

This question is combination of cone and cylinder by using there surface area and volume formulas we will get required parameter’s. Volume and surface area of solids from RS Aggarwal book exercise 17A, page number 787 problem number 9

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A cylindrical container of radius 6 cm and height 15 cm is filled with ice-cream. The whole ice-cream has to be distributed to 10 children in equal cones with hemispherical tops. If the height of the conical portion is 4 times the radius of its base, then find the radius of the ice-cream cone.

A military tent of height 8.25 m is in the form of a right circular cylinder of base diameter 30 m and height 5.5 m surmounted by a right circular cone of same base radius. Find the length of canvas used in making the tent, if the breadth of the canvas is 1.5 m