 | Charles Godfrey, Arthur Warry Siddons - 1903 - 384 σελίδες
...the position OD and then on to OC ; will OP and OQ. have turned through the same angle? THEOREM 1. If a straight line stands on another straight line,...two angles so formed is equal to two right angles. N COB fig. 75. Data The st. line AO meets the st. line BC at O. To prove that L. BOA + L. AOC = 2 rt.... | |
 | University of Calcutta - 1907 - 458 σελίδες
...pencil, dividers, pencil compasses, and a straight ruler showing centimetres and inches. THEORETICAL. Angles at a point. If a straight line stands on another...opposite angles are equal. Parallel straight lines. If a straight line, cutting two other straight lines, makes — (i) the alternate angles equal, (ii)... | |
 | University of Birmingham - 1907 - 668 σελίδες
...in or about a given circle. Const ruction of a square equal in area to a given polygon. SCHEDULE B. Angles at a Point. — If a straight line stands on...the vertically opposite angles are equal. Parallel Siraiglit Lines. — When a straight line cuts two other straight lines, if (i) a pair of alternate... | |
 | University of Allahabad - 1907 - 528 σελίδες
...in or about a given circle. Construction of a square equal in area to a given polygon. SCHEDULE B. ANGLES AT A POINT. If a straight line stands on another...formed is equal to two right angles ; and the converse. PARALLEL STRAIGHT LINES. When a straight line cuts two other straight lines, if (i) a pair of alternate... | |
 | University of Allahabad - 1908 - 568 σελίδες
...in or about a given circle. Construction of a square equal in area to a given polygon. SCHEDULE B. ANGLES AT A POINT. If a straight line stands on another...intersect, the vertically opposite angles are equal. PABALLEL STBAIGRT LINES. When a straight line cuts two other straight lines, if (i) a pair of alternate... | |
 | University of Calcutta - 1909 - 450 σελίδες
...dividers, pencil compasses, and a straight ruler showing centimetres and inches. THEORETICAL. A ngles at a point. If a straight line stands on another straight...opposite angles .are equal. Parallel straight lines. If a straight line, cutting two other straight lines, makes — (i) the alternate angles equal, (ii)... | |
 | University of Allahabad - 1909 - 638 σελίδες
...in or about a given circle. Construction of a square equal in area to a given polygon. Schedule B. ANGLES AT A POINT. If a straight line stands on another...intersect, the vertically opposite angles are equal. PAHAI.LEL STRAIGRT LINES. When a straight line cuts two other straight lines, if (i) a pair of alternate... | |
 | 1909 - 605 σελίδες
...in or about a given circle. Construction of a square equal in area to a given polygon. SCHEDULE B. Angles at a Point. If a straight line stands on another...formed is equal to two right angles; and the converse. Parallel Straight Lines. When я straight line cuts two other straight lines, if (i) a pair of alternate... | |
 | University of Calcutta - 1911 - 446 σελίδες
...dividers, pencil-compare*, and a straight rider showing centimetrea and inches. THEORETICAL. Ang If 8 at a point. If a straight line stands on another straight...vertically opposite angles are equal. Parallel straight line*. If a straight line, cutting two other straight lines, makes — (i) the alternate angles equal.... | |
 | McGill University - 1911 - 178 σελίδες
...in or about a given circle. Construction of a square equal in area to a given polygon. SCHEDULE B. If a straight line stands on another straight line,...intersect, the vertically opposite angles are equal. When a straight) line cuts two other straight lines, if (f) a pair of alternate angles are equal, or... | |
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Angles at a Point. — If a straight line stands on another straight line, the sum of the two angles so formed is equal to two right angles ; and the converse. 
