Question

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Answer 1

Answer:

y =45° (alternative interior angles)

angle CBA= 180-70 (linear pair)

= 110°

y+110+x=180° (angle sum property)

45+110+x=180

x= 180-155

x= 25°

angle DCA = 25° (alt int angles)

45+25+z=180(angle sum property)

z= 180-70

z=110°

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Answer 2

Answer:

y= 45° alternate interior angles

x=

x+y =70°

therefore , x=25°

z =

45°+25°+z=180°

z= 110°