гурвалжны талбай

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гурвалжны талбай

  1. 1. Гурвалжны талбай А c b ha B D a C 1 = ∙ ℎ 2 1 = ∙ sin(∠C) ⁡ 2 = − − ( − ) 1 = ∙ ; = ( + + ) 2 = 4 2 ∙ sin(∠) ∙ sin(∠) = 2 sin(∠A) ⁡

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