Question

if anyone finds the answer of this question please tell me ​

Answer 1

Answer:

$< 1 + < 2 = 180 {}^{0} \\ < 1 = 30 {}^{0} \\ 30 {}^{0 } + < 2 = 180 \\ < 2 = 180 - 30 \\ < 2 = 150 \\ < 2 + < 3 = 180 \\ 150 + < 3 = 180 \\ < 3 = 180 - 150 \\ < 3 = 30 {}^{0}$

Answer 2

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