Geometry Ch 1 Vocab Quiz

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Across
  1. 2. Adds up to 180
  2. 7. AB+BC=AC; on a line, each part of the line adds up to the whole line
  3. 8. Angles across from each other; are =
  4. 9. Angle that is less than 90°
  5. 11. Having the same shape and size (≅)
  6. 12. Two lines that intersect and make a 90° angle
  7. 13. The middle point of a line; divides the line segment into two equal pieces; the average between two points
Down
  1. 1. Adds up to 90
  2. 3. Angles that form a straight line; are supplementary
  3. 4. Angle that is more than 90°
  4. 5. Cuts into two equal pieces
  5. 6. The end point of a shape or an angle (where two lines meet)
  6. 7. Angle that is a straight line; angle is 180°
  7. 10. ∠ABC + ∠CBD = ∠ABD; each part of the angle adds up to the entire angle