Question

1
Find x in the following figure
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Answer 1

Solution:-

we know that sum of external angles of a quadrilateral is 360°

So,

before that..find out angle 1

angle1 + 90 = 180° (linear pair angle)

angle 1 = 90

`==> 90 + angle 1 + 40 + x + 60 = 360

90+ 90 + 40 + 60 +x = 360

280 + x = 360

x = 360- 280

x = 80°

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Answer 2

Step-by-step explanation:

answer is 80° therefore x=80°