Crossword

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Across
  1. 3. what does L stand for in LCM?
  2. 4. angle that is exactly 180°
  3. 6. the way to read ":" in "3:2"
  4. 7. four equal sides and four right angles
  5. 8. triangle with exactly two equal sides
  6. 9. synonym of altitude in a triangle
Down
  1. 1. tool used to draw or measure angles
  2. 2. divide into two equal parts
  3. 5. angle that is less than 90°
  4. 7. to find the answer to a problem