 | Henry Bartlett Maglathlin - 1873 - 362 páginas
...Line ? A Curved Line ? A Plane? A Curved Surface 1 Parallel Lines ? A Right Angle ? An Acute Angle' An Obtuse Angle is one which is greater than a right angle ; as the angle AC D. The sides of an angle are the lines forming it, and the vertex of an angle the point of their... | |
 | Benjamin Greenleaf - 1874 - 206 páginas
...Right Angle is one which is formed by a straight line and a perpendicular to it; as the angle CAB. o An Obtuse Angle is one which is greater than a right angle ; as the angle EFG. F Acute and obtuse angles are sometimes called oblique angles. 14. Parallel Lines are such as,... | |
 | Edward Olney - 1875 - 338 páginas
...equal? Are they right angles ? 173. An Acute Angle is an angle which is less than a right angle, and an Obtuse Angle is one which is greater than a right angle. An acute angle is a sharp corner, and an obtuse angle is a blunt corner. Which is the acute angle,... | |
 | B. Marks - 1875 - 176 páginas
...ANGLES. Is the angle mps greater or less than the right angle mpr? Their it is called an obtuse angle. An obtuse angle is one which is greater than a right angle. What other obtuse angle has its vertex at p ? Obtuse means blunt. Read three obtuse angles whose vertices... | |
 | Milton Browning Goff - 1876 - 462 páginas
...straight lines perpendicular to each other (2O6). An Acute Angle is one which is less than a right angle. An Obtuse Angle is one which is greater than a right angle. 222. A Circle is a plane figure bounded by a curved line, every part of which is equally distant from... | |
 | Henry Bartlett Maglathlin - 1876 - 364 páginas
...Straight Line ? A Curved Line ? A Plane? A Curved Surface? Parallel Lines? A Right Angle? An Acute Angle 3 An Obtuse Angle is one which is greater than a right angle. The sides of an angle are the lines forming it, and the vertex of an angle the point of their meeting.... | |
 | Elias Loomis - 1877 - 458 páginas
...the line CD is perpendicular to AB. 20. An acute angle is one which is less than a right ./ angle. s An obtuse angle is one which is greater than a right angle. 21. Intersecting lines which are not perpendicular are said to be oblique to each other, and angles... | |
 | Edward Olney - 1879 - 404 páginas
...angle is a square B — corner. 208. An Acute Angle is an angle whieh is less than a right angle, and an Obtuse Angle is one which is greater than a right angle. For the method of measuring angles, see Circular Measure. 209. A space which has length and breadth,... | |
 | Henry Bartlett Maglathlin - 1880 - 370 páginas
...Straight Line ? A Curved Line ? A Plane? A Curved Surface? Parallel Lines? A Eight Angle? An Acute Angle ? An Obtuse Angle is one which is greater than a right angle. The sides of an angle are the lines forming it, and the vertex of an angle the point of their meeting.... | |
 | Simon Newcomb - 1881 - 418 páginas
...22. Def. An acute angle is one which is less than a right angle. Acute angle. Obtuse angle. 23. Def. An obtuse angle is one which is greater than a right angle. Example of forming Angles by Addition. 24. Let us take a surface with a circular boundary ABCDEFGH,... | |
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An ACUTE ANGLE is one which is less than a right angle ; as the angle DEF. 
