3 years ago

Find the value of x for which ABCD must be a parallelogram. 6 54 3 27

Mathematics

1 answer:

stiv31 [10]3 years ago

3 0

Answer:

Step-by-step explanation:

As it's a parallelogram the cross splits each diagonal exactly in half, so each half is the same:

-9-6x = x-30

7x=21

x=3

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