joyousfaith00 joyousfaith00
  • 18-03-2020
  • Mathematics
contestada

I need help with question 14!!!

I need help with question 14 class=

Respuesta :

matthewschmidt16
matthewschmidt16 matthewschmidt16
  • 18-03-2020
Surface Area Formula

A = 2(lw + hl + wh)

l = 3x
w = x
h = x + 1

A = 2( (3x * x) + (3x * (x + 1)) + (x * (x +1)) )

(Simplify)

A = 2(3x^2 + (3x^2 + 3x) + (x^2 + x))

A = 2(7x^2 + 4x)

A = 14x^2 + 8x

FINAL ANSWER: C
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lamborghiniprincess lamborghiniprincess
  • 18-03-2020
The answer is c I think
Answer Link

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