Triangles

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Across
  1. 4. The side opposite the right angle in a right-angled triangle.
  2. 5. The line segment connecting the vertex of a triangle to the midpoint of the opposite side is called the __________.
Down
  1. 1. The sum of any two sides of a triangle is always __________ than the third side.
  2. 2. The exterior angle of a triangle is equal to the sum of its __________ opposite angles.
  3. 3. Two triangles that have the same shape and size are said to be __________.