Поиск Картинки Карты Play YouTube Новости Почта Диск Ещё »
Войти
Книги Книги
" be parallel, and one of them, at right angles to a plane ; the other is also at right angles to the same plane. Let AB... "
The Calcutta University Calendar - Стр. cix
авторы: University of Calcutta - 1881
Полный просмотр - Подробнее о книге

The Elements of Euclid, with many additional propositions, and explanatory ...

Euclides - 1855 - Страниц: 230
...above a plane. If two straight lines be at right angles to the same plane. If two straight lines be parallel. And one of them is at right angles to a plane. CONSEQUENCES. } Another part cannot be in it. ("Every plane which passes J. through it shall be at...
Полный просмотр - Подробнее о книге

The Calendar of King's College, London

1857 - Страниц: 486
...if PA, QS meet in R, and PD, QC in S, prove that RS is parallel to AD. 15. If two straight lines be parallel, and one of them is at right angles to a plane ; the other also shall be at right angles to the same plane. 16. Find the angle at which a side of a pyramid is...
Полный просмотр - Подробнее о книге

Report of Her Majesty's Civil Service Commissioners: Together with ..., Том 3

1858 - Страниц: 398
...through them, that is, to the plane in which they are. 11. PROP. VIII — If two straight lines be parallel, and one of them is at right angles to a plane, the other also shall be at right angles to the same plane. 12. PROP. XX. — If a solid angle be contained by...
Полный просмотр - Подробнее о книге

Parliamentary Papers, Том 25

Great Britain. Parliament. House of Commons - 1858 - Страниц: 694
...through them, that is, to the plane in which they are. 11. PROP. VIII — If two straight lines be parallel, and one of them is at right angles to a plane, the other also shall be at right angles to the same plane. 12. PROP. XX. — If a solid angle be contained by...
Полный просмотр - Подробнее о книге

Government examinations, a companion to 'Under government' and a key to the ...

Joseph Charles Parkinson - 1860 - Страниц: 154
...through them, that is, to the plane in which they are. 11. PROP. VIII. — If two straight lines be parallel, and one of them is at right angles to a plane, the other also shall he at right angles to the same plane. 12. PROP. XX. — If a solid angle be contained by...
Полный просмотр - Подробнее о книге

A complete practical guide to her majesty's Civil service, by a certificated ...

Civil service - Страниц: 366
...passes through them, that is to the plane in which they are. PROP. VIII. — If two straight lines he parallel, and one of them is at right angles to a plane, the other also shall be at right angles, to the same plane. PROP. XX.— If a solid angle be contained by three...
Полный просмотр - Подробнее о книге

The Elements of Euclid with Many Additional Propositions and Explanatory Notes

Eucleides - 1860 - Страниц: 396
...cut one another. If two straight lines be at right angles to the same plane. If two straight lines be parallel. And one of them is at right angles to a plane. CONSEQUENCES. } Another part cannot be in it. Every plane which passes through it shall be at right...
Полный просмотр - Подробнее о книге

The College Euclid: Comprising the First Six and the Parts of the Eleventh ...

Euclides - 1865 - Страниц: 402
...any point in the other, is in the same plane with the parallels. Prop. 8. If two straight lines be parallel, and one of them is at right angles to a plane; the other also shall be at right angles to the same plane. Prop. 9. Two straight lines which are each of them...
Полный просмотр - Подробнее о книге

The Elements of Euclid, containing the first six books, with a selection of ...

Euclides - 1874 - Страниц: 342
...of ED and DA (XI. 4). But GH is parallel-to BC ; and if two straight lines be parallel, one of which is at right angles to a plane, the other is also at right angles to the plane (XI. 8) ; therefore 2. GH is at right angles to the plane of ED and DA ; and is perpendicular...
Полный просмотр - Подробнее о книге

The Elements of Plane and Solid Geometry: With Chapters on Mensuration and ...

Isaac Sharpless - 1879 - Страниц: 282
...parallel (I. 26) to AB. Proposition 7. Theorem.—If two straight lines be parallel, and one of them at right angles to a plane, the other is also at right angles to the same plane. Let AB and CD be two parallel straight lines, and let AB be at right angles to the plane EF; CD is...
Полный просмотр - Подробнее о книге




  1. Моя библиотека
  2. Справка
  3. Расширенный поиск книг
  4. Скачать EPUB
  5. Скачать PDF