YungEljefe1777 YungEljefe1777

01-01-2020
Mathematics

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plzzz help me i can not find it nowhere

plzzz help me i can not find it nowhere class=

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theofficialkoolplug theofficialkoolplug

01-01-2020

Answer: D. 50

Step-by-step explanation:

the sum of opposite angles of a cyclic quadrilateral are always 180 degrees

80 +2x= 180

2x= 180 - 80

x= 100/2

x= 50

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