VALENISSIUS VALENISSIUS
  • 16-03-2022
  • Mathematics
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Triangle surface area pls help pls pls pls

Triangle surface area pls help pls pls pls class=

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zwsmithusa zwsmithusa
  • 16-03-2022

Answer: 240

Step-by-step explanation: This is what I got:

A = 2AB+(a+b+c)h

AB = s(s﹣a)(s﹣b)(s﹣c)

s=a+b+c

2

Solving forA

A = ah+bh+ch+1

2﹣a4+2(ab)2+2(ac)2﹣b4+2(bc)2﹣c4 = 6·8+10·8+8·8+1

2·﹣64+2·(6·10)2+2·(6·8)2﹣104+2·(10·8)2﹣84 = 240

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