triangles

Edit Answers
123456789
Across
  1. 2. the point where the three medians of the three sides of a triangle intersect
  2. 4. the perimeter of a triangle is the sum of its three ____
  3. 6. inverse of the cosine of an angle is ____
  4. 8. the sum of two internal angles is always equal to the opposite ______
  5. 9. a right angled triangle will always obey _____ theorem
Down
  1. 1. side opposite to the right angle in a right angled triangle
  2. 3. a triangle having two sides equal
  3. 5. an obtuse angled triangle will have one angle ___ than 90 degree
  4. 7. the ___ of a triangle is half of that of a quadrilateral