Question

Help??







I have an answer for this but I just need to make sure that I followed the formula right.

You are making poster board boundary markers in the shape of square pyramids for a relay race. If you are including a twelve -inch square as the bottom and you want the slant height to be fourteen inches, how much poster board do you need?

Select one:
A. two hundred fifty-two square inches
B. four hundred twenty square inches
C. four hundred eighty square inches
D. five hundred thirty-two square inches

Answer 1

I got C. 480 by following the formula for Surface Area for a square pyramid.

SA = b squared + 2bt where t is the slant height

Am i correct??

Answer 2

i believe so

Answer 3

ok

Answer 4

@zepdrix

Answer 5

medel plz