梯形在线计算器
梯形公式 |
|
1. 面积 = h(a+b)/2 2. 周长 = a + b + c + d 3. 对角线 L1H2 = sqrt(h2+(b-sqrt(c2-h2))2) 4. 对角线 H1L2 = sqrt(h2+(b-sqrt(d2-h2))2) |
Ads
Teenfish - Find best Fishing License in USA 2024
Your Guide to Legal Angling Across America - US Fishing Licenses
Your Guide to Legal Angling Across America - US Fishing Licenses