[計量] GWD-1-18已刪文
The figure shows a square patio surrounded by a walkway of width x meters.
If the area of the walkway is 132 square meters and the width of the patio
is 5 meters greater than the width of the walkway, what is the area of the
patio, in square meters?
A. 56
B. 64
C. 68
D. 81
E. 100
Ans: B
那個圖我貼不出來 只好google論壇的
http://0rz.tw/9JecD
不懂,既然walkway都surround patio了
width of walkway 應該也要> width of patio啊
patio的width怎麼還會比 walkway多5?
且大正方形的width 想不出來
謝謝各位!
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