Ответ:
∠ВAE =180-∠AEB-∠B=180-74-90=16°,
∠C=180-∠A-∠B=180-74-60=46°
∠DBE=90-∠C=90-46=44°
∠ABO=74-∠DBE=30°
∠ AOB=180°-(∠BAE+∠ABO)=180-(16+30)=134°
Объяснение:
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Ответ:
∠ВAE =180-∠AEB-∠B=180-74-90=16°,
∠C=180-∠A-∠B=180-74-60=46°
∠DBE=90-∠C=90-46=44°
∠ABO=74-∠DBE=30°
∠ AOB=180°-(∠BAE+∠ABO)=180-(16+30)=134°
Объяснение: