the measure of three angles of a quadiletral is 30 70 100 find out the fourth angles
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sum of all angles of a quad = 360°
30+70+100+4th angle = 360
4th angle = 360 - 200
4th angle = 160
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Answer:
sum of quadiltral is =360°
30+70+100+x= 360°
= 200+x=360°
= X=360°-200
= x= 160 °
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