Angle AOC is equals to BOC which forms a linear pair. If a-b=80 find the value of a and b.
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I think <AOC = a & <BOC = b
So, both are a linear pair,
then a + b = 180° ..................(1)
Given that a - b = 80°
So, a = 80° + b ........ (2).
By substitution method in (1) & (2)
80° + b + b = 180°
2b = 100°
b = 50°
From (2)
a = 50° + 80° = 130°
I think <AOC = a & <BOC = b
So, both are a linear pair,
then a + b = 180° ..................(1)
Given that a - b = 80°
So, a = 80° + b ........ (2).
By substitution method in (1) & (2)
80° + b + b = 180°
2b = 100°
b = 50°
From (2)
a = 50° + 80° = 130°
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