Question

If the three angles of a quadrilateral is 100° the fourth angle is​

Answer 1

Answer:

mate 360 = total

therefore 100+100+100+x= 360

therefore x= 60

Step-by-step explanation:

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Answer 2

Step-by-step explanation:

100 + 100 + 100 + x = 360

300 + x = 360

x = 360 - 300

x = 60 degree