07-03-2024
Mathematics

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1.Дано:a∥b, с-секущая. ∠1=64°. Найти все углы. 2.Дано:m∥n, k-секущая. ∠1 меньше ∠2 в 5 раз. Найти эти углы. 3.Дано:∠4=117°, ∠5=23°, ∠6=157°. Найти ∠1, ∠2, ∠3.

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