Question

I need help please and thank you. I think its A but not for sure

Answer 1

No, surface area would be 18+18+18 which would be 54, so B

Answer 2

We have the formula for the total surface area

= 6l^2

Now length (l) = 3 cm

Now

Now TSA = 6l^2

= 6 * 3^2

= 54 sq. cm