Алгебра
Английский
Биология
География
Геометрия
История
Русский
Обществознание
Физика
Химия
Информатика
Литература
МатематикаВопрос:
7. Найдите третий угол треугольника.
Ответ:
Сумма углов треугольника равна 180°. Здесь два угла равны 72° и 42°. Тогда третий угол равен 180° - 72° - 42° = 66°.
Похожие
- Complete the second sentence so that it means the same as the first. How many tins of soup are there? How much soup is ______ there? 1 How many litres of juice are there? How ______ there? 2 How many slices of cake are there? How ______ there? 3 How many bags of rice are there? How ______ there? 4 How many bottles of water are there? How ______ there? 5 How many tins of paint are there? How ______ there? 6 How many pieces of fruit are there? How ______ there? 7 How many jars of jam are there? How ______ there? 8 How many loaves of bread are there? How ______ there? 9 How many kilos of flour are there? How ______ there?
- Назовите данное вещество по систематической номенклатуре. CH2Cl-CH2-CH=CH-CHCl-CH2OH
- Свойства веществ каких классов может проявлять данное вещество? Выберите все подходящие варианты. CH3-CH=CH-CH-CH-COOH | OH OH
