In the figure,<AOC and<BOC form a linear pair. If a-b=80°,find a and b

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Solution

a - b = 80
a + b = 180
a = 80 + b
putting 80 + b in place of a
80 + b + b = 180
80 + 2b =180
2b = 180 - 80
2b = 100
b = 50
So a = 130

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Similar questions

In the figure, $∠ A O C$ and $∠ B O C$ form a linear pair. If $a - 2 b = 30^{\circ}$ , find $a$ and $b$ .

∠ A O C

∠ B O

a - b = 80^{o}

a

b

∠ A O C

∠ B O C

a - 2 b = 30^{\circ}

∠ A O C a n d ∠ B O C

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