 | John Henry Walsh - Arithmetic - 1895 - 476 pages
...number of revolutions 150 per minute, how far does it go in an hour? Give answer in miles and rods. 995. Circular Measure. 60 seconds (") 1 minute (/) 60 minutes 1 degree (°) 360 degrees 1 circle. 8. If the equatorial circumference of the earth is 25,000 miles, how many miles apart are two... | |
 | John Henry Walsh - Arithmetic - 1895 - 400 pages
...vertex of the angle. The angle 1 2 3 is measured by the arc YZ; the angle 4 5 6 by the arc ab. 1254. Circular Measure. 60 seconds (") 1 minute, 60 minutes (') 1 degree, 360 degrees (°> 1 circle. 1255. The number of degrees in an arc or an angle is determined by & protractor. To measure... | |
 | Edwin Pliny Seaver, George Augustus Walton - Arithmetic - 1895 - 438 pages
...geographical miles (Art. 277). 3 nautical miles = 1 marine league. 27. CIRCULAR AND ANGULAR MEASURES. 60 seconds (") = 1 minute ('). 60 minutes = 1 degree (°). 360 degrees = 1 circumference. NOTE 1. — A degree of the circumference of the earth at the equator is about 69.16 common miles in... | |
 | George Washington Hull - Arithmetic - 1896 - 152 pages
...when did it fall due? . ANGULAR MEASURE. Angular Measure is used in measuring arcs and angles. TABLE. 60 seconds (") = 1 minute, '. 60 minutes = 1 degree, °. 360 degrees = 1 circumference, C. EQUIVALENTS: 1 C. = 360° = 21,600' = 1,296,000". 1. How many seconds in 4'? In 3J'? In 5'? 2. How... | |
 | James Alexander McLellan, Albert Flintoft Ames - Arithmetic - 1897 - 368 pages
...called a right angle and contains 90°. OA and OB are said to be perpendicular to each other. ANGULAR MEASURE 60 seconds (") = 1 minute (') 60 minutes =...degree (°) 360 degrees = 1 circumference (C.) The circumference of the earth at the equator = 24,902 mi. Exercise 113 1. What part of a revolution is... | |
 | Charles Edward White - Arithmetic - 1897 - 312 pages
...degrees by the arc between its sides. Thus BD is the measure of the angle BED. TABLE OF CIRCULAR MEASURB. 60 seconds (") =1 minute, ' 60 minutes = 1 degree, ° 360 degrees = 1 circumference, Cir. NOTE. — An arc of 90 degrees or i of a circumference is called a quadrant. A degree upon a great... | |
 | Edwin Crawford Hewett - Arithmetic - 1897 - 376 pages
...places and vessels, measuring the motion of the earth, and for computing differences of time. TABLE. 60 seconds (') =1 minute (.). 60 minutes ------ =1 degree (°). 360 degrees =1 circumference (cir.) 1. A semi-circumference is one half of a circumference, or 180°. 2. A quadrant is one fourth... | |
 | Middlesex Alfred Bailey - Arithmetic - 1898 - 220 pages
...different degrees of opening. Amount of opening is expressed by the measures in the following table, called Circular Measure. 60 seconds (") = 1 minute (')60...1 degree (°). 360 degrees = 1 circumference (C.). 11. Draw a clock face with the hands reading 12 o'clock. What angle do the hands make? Ans. No angle.... | |
 | Frank H. Hall - Education - 1898 - 296 pages
...fluid ounces =lpint(O). 8 pints = 1 gallon (Cong.). One minim of water is about 1 drop. 354. ANGULAR MEASURE. 60 seconds (") = 1 minute ('). 60 minutes = 1 degree (°). 360 degrees = 1 circumference. 355. MEASURE OF TIME. 60 seconds (sec.)= 1 minute (min.). 60 minutes = 1 hour (hr.). 24 hours = 1 day... | |
 | Frank H. Hall - Arithmetic - 1898 - 326 pages
...fluid ounces =1pint(O). 8 pints = 1 gallon (Cong.). One minim of water is about 1 drop. 354. ANGULAR MEASURE. 60 seconds (") = 1 minute ('). 60 minutes = 1 degree (°). 360 degrees = 1 circumference. 355. MEASURE OF TIME. 60 seconds (sec.)= 1 minute (min.). 60 minutes = 1 hour (hr.). 24 hours = 1 day... | |
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ANGULAR MEASURE. 60 seconds (") = 1 minute ('). 60 minutes = 1 degree (°). 360 degrees = 1 circumference. 
