Question

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Answer 1

Answer:

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Answer 2

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Let the ratio be a.

So, x = 5a, y = 4a, z = 6a

Since, XOY is a straight line,

x + y + z = 180°

5a + 4a + 6a = 180°

15a = 180°

a = 180°/15

a = 12°

Therefore, x = 5a = 60°

y = 4a = 48°

z = 6a = 72°

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