 | Edward Riddle - 1824 - 572 σελίδες
...bounded by an arc / ^ц and its chord. \ 4£>. A Semicircle is a segment cut off by a diameter. 50. A Sector is a part of a circle bounded by two radii /\^ Л and their intercepted arc. V "" \ 51. A Quadrant is a sector whose bounding radii are perpendicular... | |
 | D. M. Knapen - 1849 - 300 σελίδες
...ring, supposing it to be a flat surface ? Ans. 1,256,640,000 square miles. 1 24. CIRCULAR SECTOR. a A sector is a part of a circle bounded by two radii and an arc. Its area is equal to that of a triangle whose base is the length of the arc, and whose perpendicular... | |
 | Bernhard Marks - 1869 - 180 σελίδες
...each larger than a semicircle. The part of the circle between the two radii of, oi, and the arc/z^ is called a " sector." Read four sectors each less...radii and an arc. What part of the whole circle is the sector/oh? It is called a " quadrant." A quadrant is a sector which is one-fourth of a circle.Read... | |
 | B. Marks - 1875 - 176 σελίδες
...semicircle. The part of the circle between the two radii of, oi, and the arc/z, is called a " sector." Eead four sectors each less than one-fourth of a circle.*...called a " quadrant." A quadrant is a sector which is one-fonrth of a circle. Read a sector which is greater than a quadrant. If the chord ef be regarded... | |
 | William Guy Peck - 1876 - 412 σελίδες
...an angle formed by two radii, as AOD. The intercepted arc ACD is said to subtend the. angle AOD. 52. A sector is a part of a circle bounded by two radii and their intercepted arc, as AODC. 53. A segment is a part of a circle bounded by an arc and its chord,... | |
 | William W. Speer - 1901 - 294 σελίδες
...dials of docks and watches, etc. Compute the areas of the circles whose diameters are measured. 22. A sector is a part of a circle bounded by two radii and an arc. Show me a sector. A boy receives a sector of a pie having an arc of 100 degrees. What part of the pie... | |
 | William W. Speer - 1899 - 438 σελίδες
...dials of clocks and watches, etc. Compute the areas of the circles whose diameters are measured. 22. A sector is a part of a circle bounded by two radii and an arc. Show me a sector. A boy receives a sector of a pie having an arc of 100 degrees. What part of the pie... | |
 | William Taylor Campbell - 1899 - 276 σελίδες
...The plane figure which you bent so as to form the curved surface of the cone is called a sector ; it is a part of a circle bounded by two radii and an arc. The height of a cone is the perpendicular distance from the apex to the base, as AP (see figure). In... | |
 | William Schoch - 1904 - 152 σελίδες
...curved surface of a cone (Fig. 73). Prove that it is a part of a circle. (See Exercise 1, page 1.) A part of a circle bounded by two radii and an arc, is called a sector. 2. What is the diameter of the base of a cone made by folding a paper sector of... | |
 | Prang Company - 1908 - 364 σελίδες
...116). A Semicircle is half of a circle (Fig. 1 1 5). A Quadrant is a quarter of a circle (Fig. 115). A Sector is a part of a circle bounded by two radii and the included arc (Fig. 1 16). A Segment is a part of a circle included between an arc and its chord... | |
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A segment bounded by a diameter and a semicircumference is a "semicircle." A semicircle is half a circle. Read four segments each larger than a semicircle. The part of the circle between the two radii of, oi, and the arc/z, is called a 
