10.1-10.3 Area of Shapes

Area of a Square 𝐴𝑟𝑒𝑎= 𝑠 2 𝑝𝑒𝑟𝑖𝑚𝑒𝑡𝑒𝑟=4𝑠

Area of a rectangle 𝐴𝑟𝑒𝑎=𝑙∙𝑤 𝑝𝑒𝑟𝑖𝑚𝑒𝑡𝑒𝑟=2𝑙+2𝑤

Area of a parallelogram 𝐴𝑟𝑒𝑎=𝑏∙ℎ 𝑝𝑒𝑟𝑖𝑚𝑒𝑡𝑒𝑟=𝑎𝑑𝑑 𝑠𝑖𝑑𝑒𝑠 Base and height meet at a 90°

Area of a Rhombus Area Perimeter add sides

Area of a kite 𝐴𝑟𝑒𝑎= 1 2 𝑑 1 ∙ 𝑑 2 𝑝𝑒𝑟𝑖𝑚𝑒𝑡𝑒𝑟=𝑎𝑑𝑑 𝑠𝑖𝑑𝑒𝑠

Area of a triangle

Area of a Trapezoid 𝐴𝑟𝑒𝑎= 1 2 ℎ 𝑏 1 + 𝑏 2 𝑏 1 ℎ 𝑏 2

Area of a circle 𝐴𝑟𝑒𝑎=π 𝑟 2 𝑝𝑒𝑟𝑖𝑚𝑒𝑡𝑒𝑟 𝑖𝑠 𝑐𝑎𝑙𝑙𝑒𝑑 𝑐𝑖𝑟𝑐𝑢𝑚𝑓𝑒𝑟𝑒𝑛𝑐𝑒 𝑐𝑖𝑟=2𝜋𝑟 𝑜𝑟 𝜋𝑑

Area of an Equilateral Triangle

Area of a Regular Hexagon Any regular hexagon is made up of 6 equilateral triangles 𝑎𝑟𝑒𝑎= 𝑠 2 3 4 ∙6 Perimeter = 6s

10.1-10.3 Basic Areas W.S.