Step-by-step explanation:
To calculate a slope, we need to apply: 
Applying formula to each slope:

So, as you can see, there are equal pair of slopes, meaning that they are parallels, which<em> demonstrate that it's actually a quadrilateral figure.</em>
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Step-by-step explanation:
Answer:
trigonometry
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hopes this helps
Answer:
lol
Step-by-step explanation: