Answer:
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I think its D? I'm not sure sorry if I get it wrong
The formula of a midpoint SR:
We have
S(4, 1) and M(7, -5)
Substitute:
x = 64 degree , 2x = 128 degree
Step-by-step explanation:
2x = 128 (being alternate interior angles)
x = 128/2
x = 64 degree
2x
=2*64
=128 degree