 | Thomas Keith - 1810 - 478 σελίδες
...other two angles. Or the sum of any. two angles subtracted from 180°, leaves the third angle. (D) The supplement of any angle is what that angle wants...one angle is always equal to the sum of the other two. (E) Any two sides of a triangle added together are greater than the third side. The greatest side... | |
 | Thomas Keith - 1826 - 504 σελίδες
...оишг two angles. Or the sum of any two angles subtracted from 180°, leaves the third angle. (D) The supplement of any angle is what that angle wants...one angle is always equal to the sum of the other two. (E) Any two sides of a triangle added together are greater than the third side. The greatest side... | |
 | Thomas Keith - 1839 - 498 σελίδες
...other two angles. Or the sum of any two angles subtracted from 180°, leaves the third angle. (75) The supplement of any angle is what that angle wants...one angle is always equal to the sum of the other two. (76) Any two sides of a triangle added together are greater than the third side. The greatest... | |
 | Samuel Harries Daddow, Benjamin Bannan - 1866 - 824 σελίδες
...half the base, and of the square of a straight line drawn from the vertex to bisect the base. The gum of the three angles of every plane triangle being...hypothenuse is exactly double the length of the base. AFhen the angles are 45°, the base and perpendicular are equal. ^ hen the angle opposite the base... | |
 | Samuel Harries Daddow, Benjamin Bannan - 1866 - 826 σελίδες
...circle, or SO degrees, it therefore follows that if either acute angle, in such triangle, be taken 'rom 90°, the remainder will be the other acute angle,...right-angled triangles may be worthy of notice, viz.: when :he angle opposite the base is 30°, the hypothenuse is exactly double the length of the base. When... | |
 | Samuel Harris Daddow - 1866 - 812 σελίδες
...half the base, and of the square of a straight line drawn from the vertex to bisect the base. The sum of the three angles of every plane triangle being...the hypothenuse is exa'ctly double the length of the When the angles are 45°, the base and perpendicular are equal. When the angle opposite the base is... | |
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The sum of the three angles of every plane triangle being equal to half a circle, or 180 degrees, it therefore follows that if either acute angle, in such triangle, be taken from 90°, the remainder will be the other acute angle, or the complement. The... 