Question

The angle that form a linear pair are in the ratio 2:7. find the measure of each angle.






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Answer 1

Answer:

first angle 40 degree

second angle 140 degree

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Answer 2

Linear Pair , angles on a straight line

So if they are in a ratio, then

2x + 7x = 180 ( sum of 2 angles in a straight line is 180)

9x = 180
x = 20

So the two angles are:
2x => 2 x 20 => 40
7x => 7 x 20 => 140