 | Edwin Pliny Seaver, George Augustus Walton - Arithmetic - 1878 - 332 pages
...mile, and equals akiut 1.15 common miles. 336. If the centre of a circle is placed at the vertex of an angle, the arc included between the sides is the measure of the angle. Thus, if the arc contains 30 degrees, the angle is called an angle of 30 degrees. (See illustration.)... | |
 | Edwin Pliny Seaver, George Augustus Walton - Arithmetic - 1878 - 414 pages
...mile, and equals about 1.15 common miles. 336. If the centre of a circle is placed at the vertex of an angle, the arc included between the sides is the measure of the angle. Thus, if the arc contains 30 degrees, the angle is called an angle of 30 degrees. (See illustration.)... | |
 | Edwin Pliny Seaver, George Augustus Walton - Arithmetic - 1878 - 370 pages
...mile, and equals about 1.15 common miles. 336. If the centre of a circle is placed at the vertex of an angle, the arc included between the sides is the measure of the angle. Thus, if the arc contains 30 degrees, the angle is called an angle of 30 degrees. (See illustration.)... | |
 | Edwin Pliny Seaver - Arithmetic - 1878 - 364 pages
...mile, and equals about 1.15 common miles. 336. If the centre of a circle is placed at the vertex of an angle, the arc included between the sides is the measure of the angle. Thus, if the arc contains 30 degrees, the angle is called an angle of 30 degrees. (See illustration.)... | |
 | Edwin Pliny Seaver - Arithmetic - 1878 - 360 pages
...mile, and equals about 1.15 common miles. 336. If the centre of a circle is placed at the vertex of an angle, the arc included between the sides is the measure of the angle. Thus, if the arc contains 30 degrees, the angle is called an angle of 30 degrees. (See illustration.)... | |
 | Edwin Pliny Seaver - 1878 - 376 pages
...mile, and equals about 1.15 common miles. 336. If the centre of a circle is placed at the vertex of an angle, the arc included between the sides is the measure of the angle. Thus, if the arc contains 30 degrees, the angle is called an angle of 30 degrees. (See illustration.)... | |
 | Edwin Pliny Seaver, George Augustus Walton - Arithmetic - 1878 - 360 pages
...mile, and equals about 1.15 common miles. 336. If the centre of a circle is placed at the vertex of an angle, the arc included between the sides is the measure of the angle. Thus, if the arc contains 30 degrees, the angle is called an angle of 30 degrees. (See illustration.)... | |
 | Edwin Pliny Seaver, George Augustus Walton - Arithmetic - 1879 - 330 pages
...mile, and equals about 1.15 common miles. 336. If the centre of a circle is placed at the vertex of an angle, the arc included between the sides is the measure of the angle. Thus, if the arc contains 30 degrees, the angle is called an angle of 30 degrees. (See illustration.)... | |
 | Edwin Pliny Seaver - Arithmetic - 1895 - 408 pages
...one side is turned away from the other. 273. If the ceuter of a circle is placed at the vertex of an angle, the arc included between the sides is the measure of the angle. Thus, if the arc ac contains 30 degrees, the angle abc is an angle of 30 degrees. Again, if the arc... | |
 | Edwin Pliny Seaver, George Augustus Walton - Arithmetic - 1895 - 412 pages
...one side is turned away from- the other. 273. If the center of a circle is placed at the vertex of an angle, the arc included between the sides is the measure of the angle. Thus, if the arc ac contains 30 degrees, the angle abc is an angle of 30 degrees. Again, if the arc... | |
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is an angle whose vertex is at the center of the circle and whose sides are radii. MEASUREMENTS. ANGLES. 183. To measure an angle, describe an arc of any convenient radius having the center at the vertex of the angle. The arc included between the sides... 
