Question

in ∆ABC, line segment DE is parallel to BC. find x,y,z.​

Answer 1

Answer:

y = 50° and z = 70° (corresponding angles are equal if lines are parllel)

x+50°+z = 180° (sum of all angles in triangle is 180°)

x+50+70 =180°

x = 180-120

x = 60°

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