Answer:
(x, y) = (15, 4)
Step-by-step explanation:
Segments created by parallel bases of the triangle(s) are proportional.
We observe that the lower segment is 1/3 the length of the upper segment.
5 = 1/3x
15 = x . . . . . . multiply by 3
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y = (1/3)(12)
y = 4
