1. AC之距離為何?
a. 47.0246 b. 47.0426 c. 47.0642
2. <ABC角度值為何?
a. 93.085 ° b. 93.580° c. 93.850°
3. 綠色剖面線區域之週長為何?
a. 90.3283 b. 90.3832 c. 90.8233
4. 扣除綠色剖面區域之面積為何?
a. 1338.4145 b. 1338.4415 c. 1338.4514