algebra expression

2007-01-07 11:37 pm
I would like to ask one algebra expression:

A wire with length 105 cm is cut into two. They are bent to form an equilateral triangle with lengths ycm and a square with lengths 3ycm. Find the area of the square.

Answer simply , thank you!

回答 (2)

2007-01-08 2:08 am
✔ 最佳答案
Perimeter of the equilateral triangle = 3y cm
Perimeter of the square = 4(3y) cm = 12y cm

3y + 12y = 105
15y = 105
y=7
2007-01-07 11:42 pm
y=7,
area of the square=441cm square


收錄日期: 2021-04-12 21:37:51
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20070107000051KK02751

檢視 Wayback Machine 備份