百度试题 结果1 题目Find theapproximateareaof a regular 12-gon with sides oflength 20 ft. 相关知识点: 试题来源: 解析 Areaofbdecagon=3(2+√3)s^2 S_(100)kh=20f_2 ADBG=3(2+√3)(20)^2 =4478.46+t^2 反馈 收藏
The number of sides of a regular polygon can be calculated by using the interior and exterior angles, which are, respectively, the inside and outside angles created by the connecting sides of the polygon. For a regular polygon the measure of each interior angle and each exterior angle is con...
For the rectangular solid below, find the following. (a)Surface area of the solid (b)Length of diagonal AB [*]