in the given figure angle POR and angle QOR are from a linear pair if a minus b equals to 80 degrees then the value of the a and b with problem
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a + b = 180 ( linear pair )......1
a - b = 80 ( given)......2
subtract eq 2 from 1
a + b = 180
a - b = 80
(-) (+) (-)
________
2b = 100
b =50
a - b = 80
a = 80 + 50
a = 130
a - b = 80 ( given)......2
subtract eq 2 from 1
a + b = 180
a - b = 80
(-) (+) (-)
________
2b = 100
b =50
a - b = 80
a = 80 + 50
a = 130
Answered by
19
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