Of all the triangles whose all sides are integers,how many triangles whose sides are 9 and 12?A.21 B.3 C.17 D无数

分类: 作业答案 • 2023-01-24 11:07:13

问题描述：

Of all the triangles whose all sides are integers,how many triangles whose sides are 9 and 12?
A.21 B.3 C.17 D无数

答