 | 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 equal to... | |
 | 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 equal to... | |
 | 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 is any point within the triangle... | |
 | William Frothingham Bradbury - Geometry - 1877 - 262 pages
...ABC is an equilateral triangle, ED is perpendicular to AC, and DE perpendicular to BC ; then EC=%BE. 192. ABC is a triangle right-angled at C, and angle...than, equal to, or less than, half the opposite side. 1961 If the medial lines from the vertices of two angles of a triangle are produced until the parts... | |
 | 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 have... | |
 | 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 equal to... | |
 | 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 equal to... | |
 | 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 angle AOB... | |
 | 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 two,... | |
 | Edward Albert Bowser - Geometry - 1890 - 420 pages
...line which meets BC at D: show that BA is greater than BD, and CA is greater than CD. * Newcomb. 8. If one angle of a triangle is equal to the sum of the other two, the triangle can be divided into two isosceles triangles. 9. If the angle C of a triangle is equal to the... | |
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If one angle of a triangle is equal to the sum of the other two, the triangle can be divided into two isosceles triangles. 
