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Safonovamargo
@Safonovamargo
September 2021
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parina110
1.∠LNR=90°
2.∠LKR=27°,∠LNK=90°⇒∠KLN=180°-(∠LKR+∠LNK)=180°-(90+27)=63°
∠NLR=∠KLR-∠KLN=110-63=47° ∠NLR=47°
3.∠LRN=180-(∠LNR+∠NLR)=180-(90+47)=43° ∠LRN=43°
Ответ:∠LNR=90°, ∠NLR=47°, ∠LRN=43°
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Answers & Comments
2.∠LKR=27°,∠LNK=90°⇒∠KLN=180°-(∠LKR+∠LNK)=180°-(90+27)=63°
∠NLR=∠KLR-∠KLN=110-63=47° ∠NLR=47°
3.∠LRN=180-(∠LNR+∠NLR)=180-(90+47)=43° ∠LRN=43°
Ответ:∠LNR=90°, ∠NLR=47°, ∠LRN=43°