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Three spheres of same radius are placed on H.P such that the line joining centers is parallel to H.P and each one touching other two. The top view will be ______________

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Three spheres of same radius are placed on H.P such that the line joining centers is parallel to H.P and each one touching other two. The top view will be  ______________

(a) three circles

(b) two circles

(c) concentric circles

(d) intersecting circles

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Question is taken from Projection of Spheres in section Projection of Solids of Engineering Drawing

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The correct choice is (a) three circles

To elaborate: Given three spheres of same radius are placed on H.P each touching other two, the line joining centers of spheres gives equilateral triangle. From front view the spheres seem to be intersecting circles but from top three circles will be seen.

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