Two angles (3y – 20) degree and (y + 30) degree are vertically opposite angles, then the value of y is
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Answer:
y = 25
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Step-by-step explanation:
vertically opposite angles of a pair of intersecting lines are always equal.
so, we can frame the equation as:
3y-20 = y+30
refer given attachment for how to solve.
Attachments:
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