math問題

pllo19940612

In the figure,ABCD and CFGH are rectangles,and their areas are
24cm^2 and 16cm^2 respectively. BEFC is a square with an area of
32cm^2. Find the perimeter of figure AEGHCD .
(Leave your answer in surd form.)

圖:

p445hkk20001

我中 中 英文好屎 係唔係 計周界?

BE=√32
=2√8
FG=16/ 2√8
=√8
AB=24/2√8
=(3√8)/2

2√8 x4 + √8 x2 + (3√8)/2 x 2
=8√8+2√8+3√8
=13√8 cm

應該無錯@@''
中幾?

pllo19940612

我中 中 英文好屎 係唔係 計周界?

BE=√32
=2√8
FG=16/ 2√8
=√8
AB=24/2√8
=(3√8)/2

2√8 x4 + √8 x2 + (3√8)/2 x 2
=8√8+2√8+3√8
=13√8 cm

應該無錯@@''
中幾? ...
p445hkk20001 發表於 21-9-2009 19:50

中4..

p445hkk20001

咁對不對?

鴻-

睇落已經覺得勁x1e 難
唔想睇了

#2個答案更加深

andykwok123321

睇落已經覺得勁x1e 難
ctm22000 發表於 2-10-2009 04:53

so..我冇讀math

鴻-

so..我冇讀math
andykwok123321 發表於 2-10-2009 12:54

math係必修
你點唔讀?

p445hkk20001

小弟 讀m2

鴻-

小弟 讀m2
p445hkk20001 發表於 3-10-2009 23:03

難唔難
同埋m1同m2好咩分別
我想知