Question

angle AOC and angle BOC form a linear pair. if b=80° find the value of a

Answer 1

aoc +boc =180
boc =80
aoc+80=180
aoc=180-80
aoc=100

Answer 2

100° Answer

Step-by-step explanation:

We know that the sum of all angles on straight line is 180° .

Now , AOC+BOC=180°

AOC +80°=180°

AOC=180°-80°

AOC=100°

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