Question

Pls help in this question

Answer 1

in the first one X = 100 degree (vertically opposite angles) so y= 180-100+35
y = 180-135
y = 45 degree
in the second one X = 90 degree (right angled triangle) y = 180-90+30
= 180 - 150
= 30 degree
in the third one X is an exterior angle so X = 60 + 65 (exterior angle property)
X = 125 degree
y = 180 - 125 (linear pair)
y = 55 degree

Answer 2

1. x=100 becoz vertically opposite angles
x+y+35=180 becoz angle sum property
100+y+35=180
y=45
2. x=90 becoz right angle
x+y+30=180
90+y+30=180
y=60
3.60+65=x becoz exterior angle property
x=125
x+y=180 becoz linear pair
125+y=180
y=551
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