Basically add up all the sides... And that's the perimeter don't forget to add your units
"This divide runs from Cape Prince of Wales in western Alaska, through the Rocky Mountains of western Canada and the continental United States, then through the Sierra Madre Occidenal mountains in Mexico, through central America and along the Andes Mountains or South America"
Structure of the universe, telescope and microscope
Animal fats. blame brainly for this one
