Question

in the quadrilateral ABCD,<a=70% , <b=60% , <c=50% , <d = ?​

Answer 1

Answer:

<d = 180°

Step-by-step explanation:

Sum of all angle of quadrilateral is 360°

<a+<b+<c+<d = 360°

70°+60°+50°+<d = 360°

<d = 360° - 180°

<d = 180°

Answer 2

Answer:

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