Answer:
17.4 cm
Step-by-step explanation:
A rectangle has two sets of parallel, equal sides. So that means two of the sides are equal to 8.5cm and the other two sides are equal to 0.2cm. When you put that in an equation:
8.5 + 8.5 + 0.2 + 0.2 = 17.4
Hope this helps :)
