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GeoGebra Lesson
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Теоремы
Author:
dimitri.sazanov
GeoGebra
Решение
1) Используя теорему косинусов находим сторону DC:
2) Находим периметр
3)Находим площадь
4) Находим биссектрису СЕ
5) Находим сторону АЕ
6) Находим последнюю сторону ВЕ
Ответ: DC=9.4cm, P=29.6cm, S=35.4cm
, AE= 5.2cm, BE=4.2cm
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