(B) SM1 Unit 4 Vocabulary

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Across
  1. 5. a point that divides a line segment into two congruent parts
  2. 9. a quadrilateral with two pairs of parallel sides and 4 congruent sides.
  3. 10. a closed figure where all sides are made up of straight lines
  4. 12. a parallelogram with four right angles (90°) and four congruent sides
  5. 13. the distance around a plane figure
  6. 14. a quadrilateral with two pairs of parallel sides.
  7. 16. a quadrilateral with exactly one pair of parallel sides.
  8. 18. the point where sides of a polygon intersect
  9. 19. coplanar lines that never intersect
Down
  1. 1. coplanar lines that meet at right angles
  2. 2. a^2 + b^2 = c^2
  3. 3. a geometric figure that is made (composed) of more that one basic geometric figure
  4. 4. the line segment that connects the midpoints of two sides of a triangle
  5. 6. the number of square units contained in the interior of a 2D figure
  6. 7. is always the longest side of a right triangle, always across from the 90° angle
  7. 8. a line segment perpendicular to the base that measures the height of a geometric figure
  8. 11. 4-sided figure
  9. 15. a triangle with one angle that is equal to 90°
  10. 17. a parallelogram with four right angles (90°)