If from any point in the base of an isosceles triangle parallels to the equal sides be drawn, show that a parallelogram is formed whose perimeter is equal to the sum of the equal sides of the triangle. Junior High School Mathematics ... - Page 35by Edson Homer Taylor, Fiske Allen - 1923Full view - About this book
| Evan Wilhelm Evans - Geometry - 1884 - 242 pages
...of the circle. Apply Ex. 11, and prove BH + AN = AB. CN and CH are each equal to radius (?). M 35. **If from any point in the base of an isosceles triangle parallels to the sides are drawn,** a parallelogram is formed whose perimeter is equal to the sum of the equal sides of the triangle. 36.... | |
| Webster Wells - Geometry - 1886 - 392 pages
...the exterior angle at the vertex of a triangle is parallel to the base, the triangle is isosceles. 3. **If from any point in the base of an isosceles triangle parallels to the** equal sides are drawn, the perimeter of the parallelogram thus formed is equal to the sum of the equal... | |
| William Chauvenet - Geometry - 1887 - 331 pages
...to the vertical angle of an isosceles triangle ABC is parallel to the base BG. 2. If from a variable **point in the base of an isosceles triangle parallels to the sides are drawn,** a parallelogram is formed whose perimeter is constant. 3. The sum of the four lines drawn to the vertices... | |
| George Albert Wentworth - Geometry - 1888 - 274 pages
...B double the angle A. If BD bisect the angle B, and meet AC in D, show that BD is equal to AD. 54. **If from any point in the base of an isosceles triangle parallels to the** legs are drawn, show that a parallelogram is formed whose perimeter is constant, and equal to the sum... | |
| George Albert Wentworth - 1889 - 264 pages
...joined to the extremity of the base, the joining line is perpendicular to the base. 16. If through **any point in the base of an isosceles triangle parallels to the** legs are drawn, a parallelogram will be formed, having its perimeter equal to the sum of the legs of... | |
| George Albert Wentworth - 1889 - 270 pages
...joined to the extremity of the base, the joining line is perpendicular to the base. 16. If through **any point in the base of an isosceles triangle parallels to the** legs are drawn, a parallelogram will be formed, having its perimeter equal to the sum of the legs of... | |
| Seth Thayer Stewart - Geometry - 1891 - 438 pages
...adjacent to one base of a trapezoid are equal, those adjacent to the other base are also equal. 5. **If from any point in the base of an isosceles triangle parallels to the** equal sides are drawn, the perimeter of the parallelogram thus formed is equal to the sum of the equal... | |
| William Chauvenet - 1893 - 340 pages
...to the vertical angle of an isosceles triangle ABC la parallel to the base BO. 8, If from a variable **point in the base of an isosceles triangle parallels to the sides are drawn,** a parallelogram is formed whose perimeter is constant. P o 3. The sum of the four lines drawn to the... | |
| Seth Thayer Stewart - Geometry - 1893 - 256 pages
...i., P. xvII.) ; also, Z2+Z3 = 2Ls; Z / + ¿4= Z 2 + ¿3 (Ax. i.); but, ¿1 = ¿2; .-., Z 4= ¿ 3. 5. **If from any point in the base of an isosceles triangle parallels to the** equal sides are drawn, the perimeter of the parallelogram thus formed is equal to the sum of the equal... | |
| Andrew Wheeler Phillips, Irving Fisher - Geometry, Modern - 1896 - 276 pages
...sides, but greater than half their sum. Hint.— Apply §§ 7 and 95. 139. Exercise. — If from a **point in the base of an isosceles triangle parallels to the sides are drawn,** a parallelogram is formed, the sum of whose four sides is the same wherever .the point is situated... | |
| |