Question

please tell me the answer please if you know only okay​

Answer 1

Answer:

45°+42°+z=180°(angle sum property)

87°+z=180°

z=180°-87°

z=93°

y+z=180°(linear pair)

y+93°=180°

y=180°-93°=87°

100°+42°=x(exterior angle property)

142°=x

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Answer 2

x=148

z=93

y=87

pls mark me brainlest