Answer:
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Step-by-step explanation:
43r567890op0oy76t43rtbhjm,ju765
21 would be the answer hope this helps :)
Answer:
is there an image provided?
Step-by-step explanation:
Assuming we have parallel lines, we can solve for x.
Since a = 3x - 10 (vertically opposite angles are equal),
3x - 10 = 2x + 15 (alternate angles are equal)
x = 25
Hence, angle a = 3(25) - 10 = 65°