Question

I need help with maths please

Answer 1

Below

Explanation:

Perimeter A = 2 (x+2 +x) = 4x + 4

Perimeter B = 2 ( 4x+2x) = 12x

now,equate them

4x+4 = 12x solve for x ....subtract 4x from both sides

4 = 8x

x = 1/2