Question

7. Three

angles of a
quadrilateral are 100 , 120 , 80 degrees
رکولر مد
Find the other angle
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Answer 1

Answer:

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Explanation:

see a quadrilateral is equal to 360

So, let the fourth angle be x

100+120+80+x=360

300+x=360

x=360-300

x=60

Answer 2

Answer:

60 degree

Explanation:

the sum of angles of a quadrilateral is 360 degree.

100+120+80=300

now

360-300=60

so the other angle is 60 degree.