### тИ КщМЕ ОИ ВЯчСТЕР -сЩМТАНГ ЙЯИТИЙчР

дЕМ ЕМТОПъСАЛЕ ЙЯИТИЙщР СТИР СУМчХЕИР ТОПОХЕСъЕР.

### пЕЯИЕВЭЛЕМА

 Parallel linesOblique lines 24 Properties of Triangles 27 Common intersectionGeneral properties 60653 64 Three round Bodies 85 PART II 87 PART III 117
 Of the circle 139153 141 SECTION II 156 Of Cisterns 212 PLASTERERS WORK 219 SECTION III 233 Wheel and axle 240

### дГЛОЖИКч АПОСПэСЛАТА

сЕКъДА 35 - If two triangles have two angles and the included side of the one, equal to two angles and the included side of the other, each to each, the two triangles will be equal.
сЕКъДА 20 - Every circumference of a. circle, whether the circle be large or small, is supposed to be divided into 360 equal parts called degrees. Each degree is divided into 60 equal parts called minutes, and each minute into 60 equal parts called seconds.
сЕКъДА 32 - The area of a rectangle is equal to the product of its base and altitude. Given R a rectangle with base b and altitude a. To prove R = a X b. Proof. Let U be the unit of surface. .R axb U' Then 1x1 But - is the area of R.
сЕКъДА 82 - A zone is a portion of the surface of a sphere, included between two parallel planes which form its bases.
сЕКъДА 142 - From eight times the chord of half the arc, subtract the chord of the whole arc, and divide the remainder by 3, and the quotient will be the length of the arc, nearly.
сЕКъДА 84 - The convex surface of a cylinder is equal to the circumference of its base multiplied by its altitude.
сЕКъДА 35 - If two triangles have two sides and the included angle of the one, equal to two sides and the included angle of the other, each to each, the two triangles will be equal in all their parts." Axiom 1. "Things which are equal to the same thing, are equal to each other.
сЕКъДА 41 - Similar figures, are those that have all the angles of the one equal to all the angles of the other, each to each, and the sides about the equal angles proportional.
сЕКъДА 36 - The angles opposite the equal sides of an isosceles triangle are equal.
сЕКъДА 20 - For this purpose it is divided into 360 equal parts, called degrees, each degree is divided into 60 equal parts called minutes, and each minute into 60 equal parts called seconds. The degrees, minutes, and seconds, are marked thus, ╟, ', " ; and 9╟ 18' 10", are read, 9 degrees, 18 minutes, and 10 seconds.