Lessons in Geometry : for the Use of Beginners
Lessons in Geometry : for the Use of Beginners
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In our eReader you can find the full English version of the book. Read Lessons in Geometry : for the Use of Beginners Online - link to read the book on full screen. Our eReader also allows you to upload and read Pdf, Txt, ePub and fb2 books. In the Mini eReder on the page below you can quickly view all pages of the book - Read Book Lessons in Geometry : for the Use of Beginners
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To quickly assess the difficulty of the text, read a short excerpt:
/. ABC= 30. The distance from A to the base BC is 6 1 " 11 . Find the dis- tances between the towns.
X FIG. 79.
6. In order to find the distance XY (Fig. 79), without any means for measuring angles, I chose four points, A, B, (7, J5, and measured their distances with the following results : AB=140 m, AD=18Q m, u4(7=115 m, . RD=65 m, CD=85 m . Draw a plan, and find XY.
CHAPTER V.
POLYGONS.
Lesson 41.
1. Define a polygon: its sides; perimeter; vertices. A polygon is a plane figure bounded by stra...ight lines.
The bounding lines are called its sides ; their sum, its perime- ter ; their intersections, its vertices.
2. Name the most important polygons.
Polygons are named according to the number of sides. A triangle has three sides ; a quadrilateral, four sides ; a pentagon, five sides ; a hexagon, six sides ; an octagon, eight sides ; a decagon, ten sides ; a dodecagon, twelve sides.
3. Define a diagonal, and explain how a polygon may be divided into triangles by drawing diagonals.
A diagonal is a straight line joining two vertices not on the same side.
What to read after Lessons in Geometry : for the Use of Beginners?
You can find similar books in the "Read Also" column, or choose other free books by G a George Anthony Hill to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
/. ABC= 30. The distance from A to the base BC is 6 1 " 11 . Find the dis- tances between the towns.
X FIG. 79.
6. In order to find the distance XY (Fig. 79), without any means for measuring angles, I chose four points, A, B, (7, J5, and measured their distances with the following results : AB=140 m, AD=18Q m, u4(7=115 m, . RD=65 m, CD=85 m . Draw a plan, and find XY.
CHAPTER V.
POLYGONS.
Lesson 41.
1. Define a polygon: its sides; perimeter; vertices. A polygon is a plane figure bounded by stra...ight lines.
The bounding lines are called its sides ; their sum, its perime- ter ; their intersections, its vertices.
2. Name the most important polygons.
Polygons are named according to the number of sides. A triangle has three sides ; a quadrilateral, four sides ; a pentagon, five sides ; a hexagon, six sides ; an octagon, eight sides ; a decagon, ten sides ; a dodecagon, twelve sides.
3. Define a diagonal, and explain how a polygon may be divided into triangles by drawing diagonals.
A diagonal is a straight line joining two vertices not on the same side.
What to read after Lessons in Geometry : for the Use of Beginners?
You can find similar books in the "Read Also" column, or choose other free books by G a George Anthony Hill to read onlineMoreLess
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