Answer: ~801.45
Step-by-step explanation: A=ah+bh+ch+1
2﹣a4+2(ab)2+2(ac)2﹣b4+2(bc)2﹣c4=16·15+10·15+17·15+1
2·﹣164+2·(16·10)2+2·(16·17)2﹣104+2·(10·17)2﹣174≈801.45367
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