which figure in question 2 will have an area of 81 square units?什么意思?which figure in question 2 will have an area of 81 square units? what is its perimeter? 这是完整的题。
问题描述：
which figure in question 2 will have an area of 81 square units?什么意思?
which figure in question 2 will have an area of 81 square units? what is its perimeter? 这是完整的题。
答
问题 2 里哪个图有 81 平方单位面积？
答
题2中的那个数字 面积是81平方单元
答
问题2 中哪一个图形的面积是81个平方单位?