if x=(2a-10) and y=(3a-30°) are alternate interior angle then a is
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if x=(2a-10) and y=(3a-30°) are alternate interior angle then a is
if x=(2a-10) and y=(3a-30°) are alternate interior angle then a is
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Verified answer
Answer:
[tex]2a - 10 = 3a - 30 \\ 30 - 10 = 3a - 2a \\ 20 = a \\ a = 20[/tex]
Step-by-step explanation:
x + y = 180
2a-10+3a-30 = 180
5a - 40 = 180
5a = 220
a = 44
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