解设高为x㎝2(6*8+6*x+8*x)=23648+14x=11814x=70x=5所以高为5㎝
设高为h8*6*2+2*8h+2*6h=236 解得h=5
(8x6+8xX+6xX)x2=236
8x6x2+2x8h+2x6h=23614h=70h=5