Middle School Geometry: List 2

If you feel obtuse when it comes to angles, review this list of geometry terms. You'll learn about planes, polygons, perimeter, and more. It's as easy as pi!

Here are links to our lists in the collection: List 1, List 2, List 3, List 4
20 words 1080 learners

Learn words with Flashcards and other activities

Definition First
Print Flashcards

Other learning activities

Answer a few questions about each word. Use this to prep for your next quiz! Compete with other teams in real time to see who answers the most questions correctly! Test your spelling acumen. Read the definition, listen to the word and try spelling it!

Teaching tools

Create and assign quizzes to your students to test their vocabulary. Assign learning activities including Practice, Vocabulary Jams and Spelling Bees to your students, and monitor their progress in real-time.

Full list of words from this list:

words only definitions & notes
  1. degree
    a measure for arcs and angles
  2. diameter
    the length of a straight line through the center of a circle
  3. dimension
    the magnitude of something in a particular direction
  4. equation
    a mathematical statement that two expressions are the same
  5. equilateral triangle
    a three-sided regular polygon
  6. exterior angle
    the supplement of an interior angle of a polygon
  7. face
    a surface forming part of the outside of an object
  8. formula
    a group of symbols that make a mathematical statement
  9. height
    distance from the base of something to its top
  10. hexagon
    a six-sided polygon
  11. hypotenuse
    the side of a right triangle opposite the right angle
  12. inscribe
    draw within a figure to touch in as many places as possible
  13. interior angle
    the angle inside two adjacent sides of a polygon
  14. intersect
    meet or cross at a point; overlap
  15. isosceles
    (of a triangle) having two sides of equal length
  16. isosceles triangle
    a triangle with two equal sides
  17. length
    the linear extent in space from one end to the other
  18. line
    a length between two points
  19. obtuse
    of an angle, between 90 and 180 degrees
  20. obtuse angle
    an angle between 90 and 180 degrees
Created on Mon Jul 25 14:29:16 EDT 2022 (updated Mon Jul 25 14:44:53 EDT 2022)

Sign up now (it’s free!)

Whether you’re a teacher or a learner, Vocabulary.com can put you or your class on the path to systematic vocabulary improvement.