search:正五邊形面積公式相關網頁資料

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日期:2024-09-09
各位前輩....我爬很多文了就是沒有證明過程...可否提供小弟證明過程正五邊形面積= 根號(25+10根號5)*a^2/4感激不盡....
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日期:2024-09-05
正n邊形的算法, 就是把它拆成n個等腰三角形, 然後用已知的邊長及底角, 利用tan() 函數算出三角形的高, 接著算出三角形面積再乘以n, 就是總面積. 設a為邊長, π代表 ......
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日期:2024-09-10
The area of a regular polygon is given by the formula below. area = (½)(apothem) (perimeter). Several other area formulas are also available....
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日期:2024-09-04
Content Objective: Students will learn the method of finding the perimeter of regular pentagons. Students will discover two methods for finding the area of regular ......