Question

ПРОШУ, ПОМОГИТЕ!!!!
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Answer 1

$\alpha + \alpha = 58 ^{0} \\ 2\alpha = 58 ^{0} \\ \alpha = 29 ^{0} = > \\ = > \beta = 180 ^{0} - 29 ^{0} = 151^{0}$
Острый 29
Тупой 151