Question 15 Marks
Look at the adjoining figure carefully and name :

(i) all pairs of parallel lines;
(ii) all pairs of intersecting lines and their points of intersection;
(iii) all sets of collinear points;
(iv) concurrent lines and their points of concurrence;
(v) one set of three non-collinear points.

(i) all pairs of parallel lines;
(ii) all pairs of intersecting lines and their points of intersection;
(iii) all sets of collinear points;
(iv) concurrent lines and their points of concurrence;
(v) one set of three non-collinear points.
Answer
View full question & answer→(i) $(l, m),(p, q)$
(ii) ($l$ and $p ; C$), ($l$ and $q ; A$), ($l$ and $n ; A$), ($m$ and $n ; B$),
($m$ and $p ; B$), $(m$ and $q ; D ), (n$ and $p ; B ),(n$ and $q ; A )$
(iii) $(A , B , E),( A , C , H ),( D , B , K ),( C , B , F ),( A , D , G )$
(iv) $(l, n$ and $q ; A ) ;(m, n$ and $p ; B )$
(v) A, C, D
(ii) ($l$ and $p ; C$), ($l$ and $q ; A$), ($l$ and $n ; A$), ($m$ and $n ; B$),
($m$ and $p ; B$), $(m$ and $q ; D ), (n$ and $p ; B ),(n$ and $q ; A )$
(iii) $(A , B , E),( A , C , H ),( D , B , K ),( C , B , F ),( A , D , G )$
(iv) $(l, n$ and $q ; A ) ;(m, n$ and $p ; B )$
(v) A, C, D