题目来源
题目来源1 : Barron
正确率：46%
难度：5
最新提问
我的动态
登录后查看动态
题目内容双击单词支持查询和收藏哦～
In the stair unit in the figure above, all the angles are right angles. The left side is 5'4", and the bottom is 9'2". Each vertical riser is 8". The top step is 10(1/4)", and each step below it is 1" more than the preceding step.
Quantity A
The perimeter, in inches of the figure above
Quantity B
300
A显示答案
以上解析由 考满分老师提供。
