Question

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Answer 1

Answer:

$5y = 90 \\ 3y = 54 \\ 2y = 36$

Step-by-step explanation:

$5y + 3y + 2y = 180 \: degree \\ or \: 10y = 180 \: degree \\ or \: y = 18 \: degree \\ \\ so \: \: 5y = 90 \: degree \: 3y = 54 \: degree \: 2y = 36 \: degree$