Given:


Since R is the midpoint of the line, we can set XR equal to RY and solve for x.





Now we know what x is. We can plug in x to RY and XR and then add it all together to find XY. Let's find XR:


Let's find RY now:



Since we know that:

We can plug in our answers:

Final answer:

<span>rhoumbus & trapazoid are the only ones.</span>
NO, nobody could be negative something years old. For example, nobody could be -2 years old. That just means they are not even born yet.
Answer is:
Obtuse and isosceles