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vodka [1.7K]
3 years ago
14

Find the value of y in the diagram below.

Mathematics
1 answer:
larisa [96]3 years ago
8 0

Answer: \\ 4(2y - 20) + 2y = 720 \\ \Leftrightarrow 2(2y - 20) + y = 360 \\ \Leftrightarrow 4y - 40 + y = 360 \\ \Leftrightarrow 5y = 400 \\ \Leftrightarrow y = 80°

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