Question

find find the value of x and y in the following figure​

Answer 1

let 110° name be A and 60° be B

A + X = 180°

110° + X = 180°

X = 180°-110°

X= 70°

B + Y = 180°

60° + Y = 180°

Y = 180° - 60°

Y = 120°

Answer 2

for finding x,

110° + x = 180°

x=180°-110°

x=70°

let that unknown angle be z

90°+ z = 180°

z=180°-90°

z=90°

now,

as we know all the angles' degrees except y, so we can find it easily through

sum of all angles = 360°

60°+70°+90°+y=360°

220°+y=360°

y=360°-220°

y=140°

hence,

x = 70°

y = 140°

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