isaacrubendiaz
isaacrubendiaz
21-02-2017
Mathematics
contestada
need full answer explaining please
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alexjbodnar
alexjbodnar
21-02-2017
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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ChandrikaP
ChandrikaP
21-02-2017
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
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