Question

solve on notebook
answers on back are
(i )x=115degree
Y=135 degree
z= 45 degree
(ii) x = 60 degree
Y = 120 degree
Z = 120 degree ​

Answer 1

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Answer 2

it is done by

1. 45+y=180 degree (leniar pair)

y=180-45

y=135

y+z=180degree

135+z=180

z=180-135

z=45

x+20+z=180(l.p)

x+20+45=180

x+65=180

x=180-65

x=115

2. z+60=180degree

z=180-60

z=120

60+y=180

y=120

y+x=180

120+x=180

x=60

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