(a). express the side of the square EFGD in terms of X,hence write down the length of AE in terms of X.
(b). find ,in terms of X ,the area of the polygon AHIJCGFE.
吾識呀..幫幫手,教我解e啲題目...
我吾識計e 啲題目..
希望你真心解題...and列好d式.20點的.
更新1:
http://hk.myblog.yahoo.com/ylf6b05/article?mid=38 圖.
更新2:
圖. http://hk.myblog.yahoo.com/ylf6b05/article?mid=38
更新3:
仲有D吾明.
更新4:
A果PART吾明.
