Question

If a parallelogram is reduced to have dimensions that are half as long, then the perimeter is one fourth the original length. True or False?

Answer 1

try using dummy variables

Answer 2

Consider a parallelogram with dimensions \(a\) and \(b\). What is the perimeter? Now find the perimeter with dimensions \(\frac{a}{2}\) and \(\frac{b}{2}\). How does this perimeter relate to the original?