Answer :

ANSWER: 84

A=2AB+(a+b+c)h
AB=s(s﹣a)(s﹣b)(s﹣c)
s=a+b+c/2

A=ah+bh+ch+1
2﹣a4+2(ab)2+2(ac)2﹣b4+2(bc)2﹣c4=3·6+5·6+4·6+1
2·﹣34+2·(3·5)2+2·(3·4)2﹣54+2·(5·4)2﹣44=84
Try c you should not need to much paper prob like 3 peace’s of paper

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