| William Henry Searles, Howard Chapin Ives - Railroad engineering - 1919 - 738 pages
...vertical angle. And is perpendicular to the base. в I., XXV., Cor. 6.. If one side of a triangle is **produced, The exterior angle is equal to the sum of the two interior and** opposite angles. « IV., XX I , XXVII . . If two triangles are mutually equiangular, They are similar.... | |
| Saskatchewan. Department of Education - Education - 1910
...(c) What circumstances concurred to give the Midland Dialect predominance ? . GEOMETRY. 1. (a) If a **side of a triangle be produced the exterior angle is equal to the** two interior and opposite angles; and the three interior angles of the triangle are together equal... | |
| Ross Garrett - Sports & Recreation - 1996 - 284 pages
...shows. Those who were made to learn Euclidean geometry in their youth may remember the teacher intoning **'the exterior angle is equal to the sum of the two interior** opposite angles'. angle of 70°. the lower limit to 100°. Most boats will fall somewhere between these... | |
| David Baker - Mathematics - 2001 - 546 pages
...85) = 45° Then MS* the exterior angle = 180 - 45° angles on a straight line = 135° The link is: **The exterior angle is equal to the sum of the two interior** angles ie 135° = 50° + 85° Framework for teaching mathematics Year 7 Shape, space and measures Geometrical... | |
| William R. Shea - Mathematics - 2003 - 374 pages
...angles of a triangle is equal to two right angles after realizing that if any side of a triangle is **produced, the exterior angle is equal to the sum of the two interior and** opposite angles. This property follows from Proposition 29 of Book I, which uses the postulate of parallel... | |
| Lewis Carroll, Charles Lutwidge Dodgson - Mathematics - 2004 - 336 pages
...another ; nor can one approach and then recede from another while on the same side of it. 18. («) If a **side of a Triangle be produced, the exterior angle is equal to** each of the interior opposite angles. [I. 32.] (§) The angles of a Triangle are together equal to... | |
| University of St. Andrews - 1904
...on opposite sides of it. The line joining CD meets AB in E. Prove that CE is equal to DE. 14. If a **side of a triangle be produced, the exterior angle is equal to the sum of the two interior and** opposite angles ; and the three interior angles of every triangle are together equal to two right angles.... | |
| 130 pages
...prove that EX= EY. 3. Show that the line XEY (in No. 2) bisects the parallelogram. 38. PROP. 7. If one **side of a triangle be produced, the exterior angle is equal to the sum of the two interior** opposite angles, and the three angles of every triangle are together equal to two right angles. Let... | |
| Canada - 1888 - 884 pages
...sides also which subtend, or are opposite to, the equal angles, shall be equal to one another. 3. If a **side of a triangle be produced, the exterior angle is equal to the** two interior and opposite angles; and the three interior angles of every triangle are together equal... | |
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