Perimeter• Perimeter is the distance around a 2D shape.• Find the perimeter of this shape. What is this

shape called?

Formulas:Square: 4s

Rectangle: 2l + 2w

Area

• Area is the size of a surface.• The area is the inside shape or space

measured in square units.

• Area foldable

• Finding height in a shape:• The height is always perpendicular to the base

(it will always make a right angle)

Why perimeter? Why area? How is this important to me?

Many careers like architecture, graphics design, engineering, the coast guard, and many others

include the use of area and perimeter on a regular basis.

Understanding how much space you have and learning how to fit shapes together exactly will help you when you paint a room, buy a home,

remodel a kitchen, or build a deck.