Perimeter and Area

Objectives:
  • Calculate the area of given geometric figures.
  • Calculate the perimeter of given geometric figures.
  • Use the Pythagorean theorem to find the lengths of a side of a right triangle.
  • Solve word problems involving perimeter, area, and/or right triangles.


Vocabulary:
  • polygon
  • perimeter
  • area
  • trapezoid
  • parallelogram
  • triangle
  • rectangle
  • circle
  • circumference
  • radius
  • diameter
  • legs (of a right triangle)
  • hypotenuse
 Formulas:
  • Area of a triangle:


  • Area of a rectangle:


  • Area of a parallelogram:


  • Area of a trapezoid:


  • Heron’s Formula:


  • Pythagorean Theorem:


  • Circumference of a circle:


  • Area of a circle:



Possible Classroom Examples:



© 2007 Elizabeth E. K. Jones and the ASU Department of Mathematics and Statistics - All rights reserved.