If one angle of a triangle is equal to the sum of the other two, the triangle can be divided into two isosceles triangles. Plane Geometry - Page 26by Arthur Schultze - 1901Full view - About this book
| Euclid, Isaac Todhunter - Euclid's Elements - 1867 - 426 pages
...together greater than twice the straight line drawn from the vertex to the middle point of the base. 25. **If one angle of a triangle is equal to the sum of the other** two, the triangle can bo divided into two isosceles triangles. 26. If the angle C of a triangle is... | |
| Euclid, Isaac Todhunter - Euclid's Elements - 1867 - 424 pages
...together greater than twice the straight line drawn from the vertex to the middle point of the base. 25. **If one angle of a triangle is equal to the sum of the other** two, the triangle can be divided into two isosceles triangles. 26. If the angle C of a triangle is... | |
| James Maurice Wilson - Geometry - 1868 - 132 pages
...the opposite sides ; the angles made by them with the base are equal to half the vertical angle. 1 6. **If one angle of a triangle is equal to the sum of the other** two, the greatest side is double of the distance of its middle point from the opposite angle. 17. 0... | |
| Euclides - 1877 - 58 pages
...a triangle having given one side and an angle adjacent to it and the sum of the other two sides. 4. **If one angle of a triangle is equal to the sum of the other** two, the riaugle can be divided into two isosceles triangles. PROPOSITION XXIV. THEOREM. If two triangles... | |
| William Frothingham Bradbury - Geometry - 1877 - 262 pages
...then EC=%BE. 192. ABC is a triangle right-angled at C, and angle B — 2 A ; then 2 BC > A C. 193. **If one angle of a triangle is equal to the sum of the other** two, the greatest side is equal to twice the medial line from the vertex of the greatest angle. 194.... | |
| Isaac Todhunter - Euclid's Elements - 1880 - 426 pages
...together greater than twice the straight line drawn from the vertex to the middle point of the base. 25. **If one angle of a triangle is equal to the sum of the other** two, the triangle can be divided into two isosceles triangles. 26. If the angle C of a triangle is... | |
| William Frothingham Bradbury - Geometry - 1880 - 260 pages
...then EC = $ B E. 192. ABC is a triangle right-angled at C, and angle B= 2 A ; then 2 BC > A C. 193. **If one angle of a triangle is equal to the sum of the other** two. the greatest side is equal to twice the medial line from the vertex of the greatest angle. 194.... | |
| Euclid, Isaac Todhunter - Euclid's Elements - 1883 - 428 pages
...together greater than twice the straight line drawn from the vertex to the middle point of the base. 25. **If one angle of a triangle is equal to the sum of the other** two, the triangle can be divided into two isosceles triangles. 2G. If the angle C of a triangle is... | |
| Euclides - 1884 - 434 pages
...given point in a given straight line, to make an angle equal to the complement of a given angle. 3. **If one angle of a triangle is equal to the sum of the other** two, the triangle can be divided into two isosceles triangles. 4. The straight line OC bisects the... | |
| Richard Anthony Proctor - Geometry - 1887 - 202 pages
...greater than CN). Then EP is equal to EC, and the triangles B DP and CEP are isosceles, &c. PROP. 32. 97. **If one angle of a triangle is equal to the sum of the other** two, the triangle is right-angled. 98. If one angle of a triangle be greater than the sum of the other... | |
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