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Niksikk
@Niksikk
July 2022
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Определи величины углов треугольника DLC, если∡D:∡L:∡C=4:3:5.
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zhenyaM2002
Verified answer
Сумма углов треугольника 180°.
4+3+5= 12 частей всего
4/12 × 180°= 720/12=60° - ∠D
3/12 × 180°= 540/12= 45° - ∠L
5/12 ×180°= 900/12= 75 ° - ∠C
Проверим: 60°+45°+75°= 180°
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Verified answer
Сумма углов треугольника 180°.4+3+5= 12 частей всего
4/12 × 180°= 720/12=60° - ∠D
3/12 × 180°= 540/12= 45° - ∠L
5/12 ×180°= 900/12= 75 ° - ∠C
Проверим: 60°+45°+75°= 180°