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2 votes
I need help with question 14!!!

I need help with question 14!!!-example-1
User Ptts
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2 Answers

4 votes
The answer is c I think
User Neuo
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4 votes
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
User Samar
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