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  • A plumbline (sahul) is the combination of (A) a cone and a cylinder (B) a hemisphere and a cone (C) frustum of a cone and a cylinder (D) sphere and cylinder

A plumbline (sahul) is the combination of

(A) a cone and a cylinder
(B) a hemisphere and a cone
(C) frustum of a cone and a cylinder
(D) sphere and cylinder

Answers (1)

Answer  (B) a hemisphere and a cone
Solution.
(A) A cone – A cone is a three dimensional geometric shape that tapers smoothly from flat base to a point called the apex or vertex.
A cylinder – A cylinder is a three dimensional solid that holds two parallel bases joined by a curve surface at a fixed distance.

(B) A Hemisphere – In geometry it is an exact half of a sphere and it is a three dimensional geometric.
A cone – A cone is a three dimensional geometric shape that tapers smoothly from a flat base to a point called the apex or vertex.

(C) Frustum of a cone – It is a portion of a solid that lies between one or two parallel plates cutting it.
A cylinder – A cylinder is a three dimensional solid that two parallel based joined by a curved surface at a fixed distance.

(D) Sphere – The set of all points in three-dimensional space lying the same distance from a given point.
Cylinder – A cylinder is a three dimensional solid that holds two parallel bases joined by a curved surface at a fixed distance.

Hence from the above figures we conclude that the given figure of plumbline is the combination of a hemisphere and a cone.
 

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