The three angles of a quadrilaterals are 80°,70° and 120° . The fourth angle is what
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26
Answer:
Step-by-step explanation:
Because we know that the sum of all the angles of a quadrilateral is 360
NOW, let the fourth angle be x-----
so -
80+70+120+x=360
=270+x=360
=x=360-270
=x=90
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Answer:
Step-by-step explanation:
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