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asked Sep 3, 2022 211k views

2 Answers

PhoticSphere · Answer 1 · 2022-09-04T12:26:32+0000

Answer:

140 degrees

Explanation:

A triangle's sum of interior angles is 180.

120+20=140

180-140=40

So X= 40.

X and Y are supplementary, so they both add up to 180.

180-40=140

Therefore, Y=140.

Wanovak · Answer 2 · 2022-09-09T05:27:13+0000

$\bf{Hello!}$

The answer is 140°

Because we can use exterior angle property here

Exterior angle property : It states that exterior angle is the sum of two opposite interior angles

y = 120 + 20 = 140°