TRIANGLES

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Across
  1. 3. Theorem – The line joining midpoints of two sides of a triangle is parallel to the third side
  2. 5. – Condition when two triangles have the same shape but different sizes
  3. 6. Angles – Angles that match in position in two similar triangles
  4. 8. Proportionally – When a line cuts two sides of triangle in the same ratio
  5. 9. Theorem – Square of hypotenuse equals sum of squares of other two sides (in right triangle)
  6. 10. – Perpendicular dropped from a vertex to opposite side
Down
  1. 1. – Equality of ratios in corresponding sides of similar triangles
  2. 2. – Quantities having a common measure or ratio (used in similarity context)
  3. 4. Proportionality Theorem – If a line parallel to one side of a triangle intersects the other two sides, it divides them proportionally
  4. 7. – Condition when two triangles have the same shape and size