Similar Triangles

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Across
  1. 5. Triangle ABC ~ Triangle DEF, AB = 12, BC = 5. If DE = 36, find EF.
  2. 6. the base of a triangle is 5, and its perimeter is 11. the base of a similar triangle is 10. What is its perimeter?
  3. 7. this shape has 2 pairs of parallel sides and diagonals that bisect eachother
  4. 10. Two triangles that have the same angles and proportional sides are called _______ triangles
  5. 11. two angles that add up to 180 degrees
  6. 12. two angles that add up to 90 degrees
Down
  1. 1. _____ angles share the same point, are on opposite sides of that point, and are congruent to eachother
  2. 2. when a line is created for each of the verticies of a triangle that connects to the midpoint of the opposite side, the _______ is the point where those lines meet
  3. 3. the property of 2 geometric objects that says they are equal in measure
  4. 4. what this symbol means:⊥
  5. 5. DLW ~ CKH. DL = 8, CK = 4, and KH = 2. Find LW.
  6. 8. ________ motions are transformations that preserve lengths and angles
  7. 9. this theorem proves 2 triangles congruent when those 2 triangles have 2 equal angles and one equal side in between the 2 angles