2 years ago

Geometry help please!! 20 points

Mathematics

1 answer:

vekshin12 years ago

6 0

Answer:

Step-by-step explanation:

Opposite angles of a cyclic quadrilateral are supplementary, so <u>(6x+72)+3x=180</u>

<u /> $(6x+72)+3x=180\\9x+72=180\\9x=108\\x=12$

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