15. The number of parallelograms that can be formed from a set of four parallel lines intersection
another set of three parallel lines is
(a) 6
(b/18
(c) 12
(d) 9
Answers
Answered by
5
Answer:
18 numbers
r! (n−r)! From the above solution, we have found that 18 numbers of parallelograms can be formed from a set of four parallel lines intersecting three parallel lines.
Answered by
1
Answer:
answer B (18) is correct
I hope it helps you
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