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zloy xaker [14]
3 years ago
5

Can somebody please help

Mathematics
1 answer:
horsena [70]3 years ago
7 0

Step-by-step explanation:

x + 90⁰ + 90⁰ + 120⁰ = 360 ....sum of angles of quadrilatral is 360⁰

x = 60⁰...

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