 | John Gummere - 1814 - 398 páginas
...seconds. 4. The complement of an arc, or of an angle, is what it wants of 90°; and the supplement of an arc, or of an angle, is what it wants of 180°. 1 5. The chord of an arc, is a line drawn from one extremity of the are to the other : thus... | |
 | John Rowbotham - 1838 - 404 páginas
...perfecting ; from con, with ; and pleo, I fill. That which is wanting to complete something else ; as the complement of an arc or of an angle is what it wants to make it a quadrant, or 90°; thus 30° is the complement of 60° ; the complement of life is the... | |
 | James Elliot - 1851 - 162 páginas
...in equal circles, angles at the centre are said to be measured by the arcs on which they stand. 7. The Complement of an arc or of an angle is what it wants of 90°. The Supplement is what it wants of 180°. Thus the arc BG- is the complement, and BA the supplement, of... | |
| |
... 90° ; and the Supplement of an arc, or of an angle, is what it wants of 180°. 