2 Answers

Artan · Answer 1 · 2018-04-17T01:05:37+0000

angle y making a line with 80° and 60° it means their sum should be =180°
80°+60°+y=180°
y=40° so x=40° because they are vertical angels and vertical angels are equal

Alika · Answer 2 · 2018-04-19T11:54:39+0000

a straight angle is equal to 180 degrees. 180-80=100. 100-60=40. so y=40. vertical angles are congruent so x=40 degrees.

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