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Printable geometry worksheet with fill-in-the-blank definitions and diagram-sketching exercises on angles, triangles, circles, and planes.
Worksheet

Geometry Vocabulary and Diagrams

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About:

This printable geometry worksheet for grades 8–12 combines vocabulary practice with diagram-sketching. Students complete fill-in-the-blank definitions for terms including radius, diameter, supplementary angles, and volume, then sketch and label diagrams for points, lines, and planes. Includes a word bank of 14 geometry terms. Suitable for vocabulary review, formative assessment, or geometry unit reinforcement.

Subject:
Math
Topic:
Geometry
Grade Level:
8th – 12th Grades
Updated October 2025

Word Bank

  • 90
  • acute
  • diameter
  • flat
  • negative
  • obtuse
  • perimeter
  • positive
  • radius
  • right
  • Supplementary
  • Surface
  • vertical
  • volume

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