Question

The sides of a square are 416 and nine what is the surface area

Answer 1

488

Explanation:

Multiply every 2 sides . there r 3 sets of 2 sides, so times 2.

2*(4x16+16*9+4*9) = 2*(64+144+36) =488

Answer 2

Answer:560cm
`^3`

Explanation:

(4x16)x2=128

(16x9)x2=288

(9x4)x2=144

128+288+144=560