A rhombus has a total of 4 sides. All sides are equal. The formula of getting the perimeter of a rhombus is:
Perimeter = 4 * S
Perimeter = 4 * 35 cm
Perimeter = 140 cm.
So the perimeter of a rhombus-shaped street sign that has a 35-cm side is equal to (B) 140 cm.
