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Rojeeer · Answer 1 · 2018-09-25T04:16:01+0000

The sum of angles in any triangle is 180°, so in this case we can say that:

x+x+x-27=180 combine like terms on left side

3x-27=180 add 27 to both sides

3x=207 divide both sides by 3

x=69°

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