Question

Find the unknown X in the following.

Answer 1

Answer:

90°

Step-by-step explanation:

y=180-140( supplementary angles)

so, in the given triangle by angle sum property of a triangle--->

x+y+50=180,

x=180-90=90°

Answer 2

Answer:

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angle y = 180-140 = 40degrees

Sum of interior angles of a triangle = 180

angle x = (180- {50+40})

= 180-90

= 90degrees