设短边为a,则全部面积为:
(12-a)*2a/2 + 2a*a + a* (16-2a)/2 =12*16/2 ==>
12a-a^2 +2a^2 + 8a -a^a =96 ==>
12a+8a =96
a=4.8
面积=4.8*4.8*2=46.08
设短边为a,则全部面积为:
(12-a)*2a/2 + 2a*a + a* (16-2a)/2 =12*16/2 ==>
12a-a^2 +2a^2 + 8a -a^a =96 ==>
12a+8a =96
a=4.8
面积=4.8*4.8*2=46.08