Question

answer this as soon as possible​

Answer 1

Step-by-step explanation:

5y+4y=180 degree. (linear pair)

i.e. 9y=180 degree

so, y=20

now, 4y=4×20=80 degree....(i)

and, 3y=3×20=60 degree....(ii)

therefore , in triangle ABC,

4y+3y+x=180 degree ( Angle sum property)

from (i) and (ii)

80+60+x=180 degree

therefore, x=40 degree

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Answer 2

Step-by-step explanation:

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