Answer:
it's the last one *25,000 J
Step-by-step explanation:
2.8 multiplied by 2.8 to find the surface area of the base which is 7.84
4*1/2*2.8*5.5 to find the surface area of all four triangular faces which is 30.8
Plus them together 7.84 plus 30.8 which is 38.64
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Step-by-step explanation:
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Answer:
53,337
Step-by-step explanation:
401.752
multiply 386.3 by 4% (.04) then add the total to 386.3