Since the diagonals of a parallelogram bisect each other, it follows that:


The correct answer is 4cm
Answer:
x² + y² = 1
Step-by-step explanation:
x and y are the leg lengths of a right triangle with hypotenuse 1. The Pythagorean theorem says the relationship is ...
1² = x² + y²
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Of course, 1² = 1.
12 i think but look it up
Answer:
the pink triangle is the answer, just know that each 90° will be the next quadrant.