2. If a and b form a linear pair and if a - b = 80, then find a & b.
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Step-by-step explanation:
given :-
a - b = 80
a = 80 + b
It is given that they are forming linear pair so that means a + b = 180°
80 + b + b = 180
80 + 2b = 180°
2b = 100°
b = 50°
a = 80 + b
=) 80 + 50
=) 130°
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