Books Books
And because the angle ABC is equal to the angle BCD, and the angle CBD to the angle ACB...
The Elements of Euclid: Viz. the First Six Books, Together with the Eleventh ... - Page 30
by Euclid - 1835 - 513 pages

## Responsions

University of Oxford - Education, Higher - 1863 - 328 pages
...rectangle contained by the whole and one of the parts may be equal to the square on the other part. 4. The opposite sides and angles of a parallelogram are equal to one another, and the diameter bisects the parallelogram, that is, divides it into two equal parts. 5. To a given...

## Euclid's Elements of geometry, the first four books, by R. Potts. Corrected ...

Euclides - 1864 - 262 pages
...another. Also the diameter BC bisects it. For since AB is equal to CD, and BC common, the two sides AB, BC, are equal to the two DC, CB, each to each, and the ansle ABC has been proved to be equal to the angle BCD ; therefore the triangle ABCis equal to the...

## The school edition. Euclid's Elements of geometry, the first six books, by R ...

Euclides - 1864 - 448 pages
...as well as those which bisect any two interior angles of a parallelogram, contain a right angle. 78. The opposite sides and angles of a parallelogram are equal to one another, and the diameters bisect it. State and prove the converse iposition. Also shew that a quadrilateral...

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

Euclides - 1865 - 402 pages
...same straight line, they are parallel to each other . . . . . I. 30. E. Relating to Parallelograms. 1. The opposite sides and angles of a parallelogram are equal to one another, and the diameter that bisects it, that is, divides it into two equal parts. . . . . . . . I. 34. 2....

## Euclid's Elements of Geometry: Chiefly from the Text of Dr. Simson ...

Robert Potts - 1865 - 528 pages
...as well as those which bisect any two interior angles of a parallelogram, contain a right angle. 83. The opposite sides and angles of a parallelogram are equal to one another, and the diameters bisect it. State and prove the converse of this proposition. Also shew that a quadrilateral...

## Loftus's Inland Revenue Officers' Manual: a guide to the duties and ...

William Harris JOHNSTON - 1865 - 478 pages
...generally, quadrilateral*. A quadrilateral formed by two pairs of parallel sides is called a parallelogram. The opposite sides and angles of a parallelogram are equal to one another. (Euclid, Book I., Prop. 34.) When the sides of a parallelogram are joined at right angles, or are perpendicular...

## Minutes of the General Council of Medical Education & Registration ..., Volume 4

General Medical Council (Great Britain) - 1866 - 496 pages
...of question*, at well aĞ the iiimcers, muğl be exhibited. ELEMENTS OF MATHEMATICS AND ALGEBRA 1. The opposite sides and angles of a parallelogram are equal to one another. 4. A rifle-ball is discharged horizontally from a position 1000 feet above the level of the sea. What...

## The Elements of Euclid for the Use of Schools and Colleges: Comprising the ...

Euclid, Isaac Todhunter - Euclid's Elements - 1867 - 426 pages
...And it was shewn to be equal to it. Wherefore, the straight lines &c. QED PROPOSITION 34. THEOREM. The opposite sides and angles of a parallelogram are equal to one another, and the diameter bisects the parallelogram, that is, divides it into two equal parts. Note. A parallelogram...