Вопрос школьника по предмету Геометрия
Площадь осевого сечения цилиндра равна S, а отрезок, соединяющий центр верхнего основания с точкой с точкой окружности нижнего основания образует с плоскостью нижнего основания угол α. Найти объем цилиндра.
Ответ учителя по предмету Геометрия
Ответ:
S=13,8 дм3
Объяснение:
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Mum wants to buy a new sofa for the sitting room. So, yesterday, we went to the largest furniture store in the city. Mum’s friend, who is a ___________, recommended that store as the best in the city.
DESIGN
However, we didn’t buy anything because Mum couldn’t make a _______ about what she liked best.
DECIDE
There were sofas in ________ and modern styles.
TRADITION
They were presented in ___________ colours and patterns.
DIFFER
The shop assistant was very ______________. She patinetly showed us one model after another.
HELP
At last Mum chose one of them, but, ______________, they didn’t have that model in her favourite colour.
FORTUNATELY