[計量] △ABC is an isosceles triangle...
1.△ABC is an isosceles triangle with two sides of 4 and 8.
coulumn A coulumn B
the perimeter of △ABC 16
ANS:A
isosceles triangle 應該是等腰三角形的意思吧?
那三角形的三邊有可能是 4,4,8 or 8,8,4
降周長可以為 16 or 20
降應該選d
還是我哪裡耍笨了>< 謝謝~
5.
coulumn A coulumn B
The are of a square whose The area of a rectangle whose
perimeter is 12. perimeter is 12.
ANS:A
我爬文看 rectangle的定義是正方形或長方形??
降A>=B 選 D ??
還是我又哪裡誤會了>< 謝謝~
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