Question

Which does not have a perimeter of 8x+8.

Answer 1

The first one because 2x+2+x+x+2x+2= 6x+4

Answer 2

Figure 1 does not have perimeter 8x +8

Explanation:

Perimeter of shape is the sum of all the sides.

Perimeter of figure 1 = 2x +2 + x + 2x + 2 +x

= 2x + 2x + x + x + 2 + 2 {Combine like terms}

=6x + 4