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Sagot :
Answer:
14.64
Step-by-step explanation:
AB=s(s﹣a)(s﹣b)(s﹣c)
V=ABh
s=a+b+c/2
V=1
4h﹣a4+2(ab)2+2(ac)2﹣b4+2(bc)2﹣c4=1
4·2.5·﹣5.54+2·(5.5·3)2+2·(5.5·4)2﹣34+2·(3·4)2﹣44≈14.63671
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