Did you know you can use scale factor to scale area and perimeter? You can. Let's get it.
Practice problems: https://docs.google.com/document/d/1LhgA0LFtnzSUNr0O61IgTflu47diE5qM1NWrwUKsiLw/edit?usp=sharing
Solutions (odds): https://docs.google.com/document/d/1drd9cnwK2uSK01k3Q9l3PwNw35qFImE0baB_XaykEfM/edit?usp=sharing
Solutions (evens): https://docs.google.com/document/d/1J4C0Y1OmehC0JJebKNo49HhwyPQ8_6mbsViPDRV_SBI/edit?usp=sharing
https://www.mathwithmiller.org/