The ruler measures length as 0.9 cm and 1.2cm
Now, perimeter of this parallelogram is 2X sum of its adjacent side
i.e, 2(0.9cm+1.2cm)= 2×2.1cm =4.2cm
✌️:)
Answer: 4 cm
Step-by-step explanation:
Trapezoid perimeter = Add all sides
Trapezoid perimeter = 1 + 1 + 1 + 1 = 4
Trapezoid perimeter = 4
