In figure,<POR and <QOR form a linear pair. If a-b=80, find the values of a and b.
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Answer:
a=130
b=50
Step-by-step explanation:
given that,<POR and <QOR forms a linear pair
and a-b=80________(1)
A/Q
a+b=180(sum of linear pair is 180)________(2)
adding equation (1)and(2)
a-b=80
a+b=180
__________
a-b=80
-a-b=-180
_______________
-2b= -100
b=100/2=50
hence,b=50
now, putting the value of b in equation (1)
a-b=80
a-50=80
a=80+50
a=130
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