Question

There is a group of 6 parallel lines and the another group of 5 parallel lines (the line of 1st group are not parallel qo 2nd group). Find the number of paralograms form by these lines​

Answer 1

Answer:

Step-by-step explanation:

o form parallelogram we required a pair of line from a set of 4 lines and another pair of line from another set of 3 lines.

Required number of parallelograms = 4C2 x 3C2 = 6×3 = 18