...flanks of the bastions, at a distance of 8 yards; and its rear is parallel to the curtain at 10 yards. * The number of degrees in an angle of a regular polygon of n sides is equal to 2«-4 —-.90° 62. To trace the caponuiere, draw its crest parallel to the perpendicular...

...divisors of 360, not less than 60, are 60, 72, 90, 120, 180, and 360 ; of which only 60, 90, and 120 can be the number of degrees in an angle of a regular polygon. These numbers represent the number of degrees in each angle of an equilateral triangle, a square, and...

...-€> or G= If an angle, whose circular measure is 0, contain x° and y", xy 0 180 ~ 200 ~ TT ' If x be the number of degrees in an angle of a regular polygon of n sides, 180 (n - 2) *=-^TJ-> 360 11 = 180 -x DBF. If two angles are together equal to a right angle, each of...

...triangle referred to 1°, 10CC, 10000" as units, be in the proportion of 2, 1, 3, find the angles. 3. Find the number of degrees in an angle of a regular polygon of я sidos (1) when it is convex, (2) when its periphery surrounds the inscribed circle m times. 4. Two...

...difference between its numerical measures as expressed in degrees and in circular measure ? 3. Find the number of degrees in an angle of a regular polygon of n sides ) when it is convex, (2) when its periphery surrounds the inscribed circle m ¡mes. 4. Two of the angles...

...octagon ; a regular hexagon. 16. Make a table, similar to the table in exercise 6, page 175, for finding the number of degrees in an angle of a regular polygon of 3, 4, 5, 6, 7, 8, 9, and 10 sides. 16. What is the formula for finding the sum of the angles of a polygon...

...each interior angle is - right angles or - --- - — degrees, ' ' fl or n = 12. EXERCISES 85. 1. Find the number of degrees in an angle of a regular polygon of (i) 12 sides, (ii) 20 sides, (iii) 100 sides. 2. Each angle of a regular polygon contains 144°; find...