Question

4parallel lines are to be insected over 5parallel lines how many parallelogram are formed​

Answer 1

Answer:

This is a question for Permutations and Combinations. For a parallelogram, you need 2 pairs of parallel lines. So we can "choose" any two lines from the first set of 4 parallel lines 'and' choose any two lines from the second set of 5 parallel lines.

Hence the value we need is

4C2 × 5C2 = 6 × 10 = 60

Thus 60 parallelograms are formed.

Step-by-step explanation:

Hope this answer will help you.

Answer 2

Step-by-step explanation:

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