 | James Hamblin Smith - 1877 - 244 pàgines
...hexagon. 34. Find the circular measure of the angle of a regular polygon of n sides. 35. The radius of a circle is 18 feet, find the length of an arc which subtends an angle of 10° at the centre. 36. The angles in one regular polygon are twice as many... | |
 | 1884 - 538 pàgines
...the specific gravities of A and B. Higher Mathematics. Women, TRIGONOMETRY ; CONICS. 1. The radius of a circle is 18 feet ; find the length of an arc subtending an angle of 10° at the centre. 2. Find the value of cot ( - 675°), cosec (- 690°). Prove... | |
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The radius of a circle is 18 feet, find the length of an arc which subtends an angle of 10° at the centre. 