1 Answer

Lazywei · Answer 1 · 2023-01-25T15:15:04+0000

Answer of a)
125+x=180 degree (linear pair)
x=180-125
x=55 degree
x= angle BCK

Angle CBK:
By using angle sum property of triangle,
55+50+y=180 degree
y=180-105
y=75 degree
y=angle CBK

Therefore angle BCK is 55 degree and angle CBK is 75 degree

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