In a quadrilateral ABCD,
ZA= 50°, ZB= 70°, ZC=80°, find ZD.
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Answer:
160°
Step-by-step explanation:
angle sum property of a quadrilateral
za+zb+zc+zd=360°
50°+70°+80°+zd=360°
200°+zd=360°
zd=360°-200°
zd=160°
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