6. M N 兩點間之距離為
A. 60.128 B. 60.218 C. 60.622
7. A區之面績為
A. 2763.465 B.2764.506 C. 2765.634
8. C區之週長為
A. 220.944 B. 221.049 C. 221.494
Joseph Lin wrote:
最外圍的蘋果會畫吧!
畫法:
1.選取最外圍的蘋果
2.按左鍵於O點使之變色
3.按右鍵於色點上→選取pop up menu的Scale項
4.Specify Scale factor or [ Base point/Copy/Undo/Reference/eXit ] : C
Specify Scale factor or [ Base point/Copy/Undo/Reference/eXit ] : 'cal
Express : SQRT(1/3)
Specify Scale factor or [ Base point/Copy/Undo/Reference/eXit ] : 'cal
Express : SQRT(2/3)
5. 連按兩次【Esc】鍵