Question

Find the unknown angles.​

Answer 1

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Angle x is equal to 140 degrees

Angle y is equal to 40 degrees

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Answer 2

100°+80°+40°+x=360°(angle sum property of quadrilateral)

220°+x=360°

x=360°-220°

x=140°

x+y=180° (angles in linear pair)

140°+y=180°

y=180°-140°

y=40°

Ans: x=140° and y=40°