Across
- 5. A triangle can be defined as a _______ which has three angles and three sides.
- 6. Two figures having the same _________ but not necessarily the same size are called similar
- 8. You can verify that if one polygon is similar to another polygon and this second polygon is similar to a third polygon, then the first polygon is _______ to the third polygon.
- 10. The same ratio of the corresponding sides is referred to as the _______ factor for the polygons.
- 11. If one angle of a triangle is equal to one angle of the other triangle and the sides including these angles are _________, then the two
Down
- 1. If a line is drawn parallel to one side of a triangle to intersect the other two sides in distinct points, the other two sides are divided in the same
- 2. are similar.
- 3. According to Pythagoras theorem, in a right-angled triangle, the sum of squares of two sides of a right triangle is equal to the square of the _______ of the triangle.
- 4. The ratio of the areas of two similar triangles is equal to the _________ of the ratio of their corresponding sides.
- 7. The statement "The ratio of any two corresponding sides in two equiangular triangles is always the same." was given by _________.
- 9. If a line divides any two sides of a triangle in the same _________, then the line is parallel to the third side.
- 12. If two angles of one triangle are respectively equal to _________ angles of another triangle, then the two triangles are similar.