Question

Find the surface area of the rectangular prism.
9 cm
15 cm
13 cm

Answer 1

Answer:

SA = 894 cm²

Step-by-step explanation:

SA = (2 x 15 x 9) + (2 x 13 x 9) + (2 x 15 x 13) = 270 + 234 + 390 = 894 cm²

Answer 2

Answer:

894 cm²

Step-by-step explanation:

$A=2(wl+hl+hw)\\=2(13*15+9*15+9*13)\\=894$