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...Ncert solutions class maths chapter basic geometrical ideas exercise q use the figure to name a five points b line c four rays d segments solution point is defined as location in any space and represented by dot it does not have length height shape or size are o e of undefined can infinite numbers bd ray part that has only one fixed other end oc ob oe od path between two with definite be measured ed eb given all possible twelve ways choosing letters at time from series connected straight usually no thickness extend indefinitely both directions named ab ac ad ba bc ca cb cd da db dc containing passing through on which lies pairs intersecting lines formed when minimum distance them ends extended infinity ef ae co how many pass we concepts answer questions an number unique passes draw rough label suitably each following cases p xy pq intersect m l contains f but op oq meet concept question...