Answer:
Th sides are a width of 8cm and a height of 2cm
Step-by-step explanation:
8*2 = 16
8+8+2+2=20
there are two sides that are equal on a rectangle but when finding are only two of the sides are multiplied, the height and width of the triangle
check the picture below.
recall that in a square, all four sides are equal, therefore b = a.
so the perimeter is then 6√2 + 6√2 + 6√2 + 6√2, or 24√2.
2/8