billyking24 billyking24

12-03-2021
Mathematics

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helppppp i don’t know how to solve this also please explain

helppppp i dont know how to solve this also please explain class=

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grecia07 grecia07

12-03-2021

90° + 7x + 3x = 180°
10x = 90°
x = 9° (A)

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