дано: ac и cb=30°найти: угол ac и cb ПОЖАЛУЙСТА HELP ME!!!!. Created by fh84. geometriya-ru

Дано:Угол ac-cb=30Угол ab=180Решение:1 способ 1)180-30=1502)150:2=75-cb3)75+30=105-ac2 способ1){ac-cb=30{ac+cb=1802){ac=30+cb{30+cb+cb=1803){2cb=150{cb=754){ac=cb+30{ac=75+305){cb=75{ac=105Ответ:сб=105; ас=75но в бравлго*Новые вопросы в ГеометрияОбъясните с рисункомна рисунке изображён треугольник ABC где AB и C являются биссектрисами. Найдите угол ЕNА если Угол ABC 106 градусовоснование пирамиды служит прямоугольник, площадь которого равна 4. Две боковые грани перпендикулярны плоскости основания, а две другие наклонены к ней…под углами 30° и 60°. Найдите объём пирамиды.С объяснением пожалуйста допоможіть будь ласка д поможіть будь ласка допоможіть будь ласка допоможіть будь ласка(у відповіді кратке розв'язування напишіть будь ласка) допоможіть будь ласка(у відповіді кратке розв'язування напишіть будь ласка) Вирішіть будь ласка ПредыдущийСледующийВместе мы знаем большеЭтот сайт использует cookies Политика Cookies . 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дано: ac и cb=30°найти: угол ac и cb ПОЖАЛУЙСТА HELP ME!!!!...

fh84 @fh84

August 2022 1 24 Report

дано: ac и cb=30°
найти: угол ac и cb
ПОЖАЛУЙСТА HELP ME!!!!

Answers & Comments

Dzhuv Дано:
Угол ac-cb=30
Угол ab=180
Решение:
1 способ
1)180-30=150
2)150:2=75-cb
3)75+30=105-ac
2 способ
1)
{ac-cb=30
{ac+cb=180
2)
{ac=30+cb
{30+cb+cb=180
3)
{2cb=150
{cb=75
4)
{ac=cb+30
{ac=75+30
5)
{cb=75
{ac=105
Ответ:сб=105; ас=75