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see answer thanks
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堆砌问题,大三角的斜边不在一条直线上
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Even they are the same areas but they are not the same shape; the diagonal lines in both shapes are not straight lines. The slopes are 2/5 and 3/8 for dark green and red areas accordingly.5.39.217.76+ a( R" ]* Z$ T+ M/ C- `+ {( v
On the other hand, if you imagine to fill the missing part to make it as a rectangle; the missing area of the top shape is 33 blocks = (5 * 2 / 2 = 5) + (8 * 3 / 2 = 12) + (8 * 2 = 16) * _* `$ P& |1 L+ i* Q$ o1 x
But for the missing areas of the bottom shape is 32 blocks = (5 * 2 / 2 = 5) + (8 * 3 / 2 = 12) + (5 * 3 = 15)
Even they are the same areas but they are not the same shape; the diagonal lines in both shapes are not straight lines. The slopes are 2/5 and 3/8 for dark green and red areas accordingly.
% U: w5 c5 \; X- OTVBNOW 含有熱門話題,最新最快電視,軟體,遊戲,電影,動漫及日常生活及興趣交流等資訊。On the other hand, if you imagine to fill the missing part to make it as a rectangle; the missing area of the top shape is 33 blocks = (5 * 2 / 2 = 5) + (8 * 3 / 2 = 12) + (8 * 2 = 16) TVBNOW 含有熱門話題,最新最快電視,軟體,遊戲,電影,動漫及日常生活及興趣交流等資訊。5 ]/ v% `% M% y" r* a; U
But for the missing areas of the bottom shape is 32 blocks = (5 * 2 / 2 = 5) + (8 * 3 / 2 = 12) + (5 * 3 = 15)
interesting
下面的图里     红色的 面积小了
不知道, 有沒有答案呀!!!
SEE see
。。。想不通
thanks
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