480,000,000 (480 million)
Answer:
No, it cannot make a triangle
We need the values to answer this question
<span>The correct answer is option C. i.e. When a a parallelogram rotates about its center., then taking 180 degrees as the angle of rotation, the image of the parallelogram coincide with its preimage. Thus 180 degree rotation is the answer.</span>
You know that
.
Use the property
to state that

Then the expression
is equivalent to

Answer: correct choice is A.