Answer:
X = 4
Step-by-step explanation:
That traingle is an isosceles triangle. You know this because the base angles, 45 and 45 are the same. Another characteristic of an iscosceles traingle is that the base sides ( in this case 4 and X ) are always the same
I believe the GCF for the park 4 and 49 is 1.
(4,1) is the midpoint. Just find the middle of the two numbers and that will be your new point. Hope this helps!