Triangles

3. The ... od a triangle is perpendicular from one of its vertices to the opposite site
6. a triangle which has got two equal sides
7. angles that share a common vertex and edge but do not share any interior points
9. When an angle amounts 90* it is...
12. When an angle amounts 90* it is...
13. A line which divides an angle into two equal parts
16. When to lines intersect at right angle, they are...
18. two figures or objects are congruent if they have the same shape and size, or if one has the same shape and size as the mirror image of the other
19. is formed by six identical square faces joined along their edges

1. a straight line which links two points without extending beyond tchem
2. a triangle which sides are equal
4. in a right triangle is the side of the triangle that it is opposite to the right angle
5. A triangle which every side is different
7. When an angle amounts/is less than 90* but more than 0* it is...
8. ...opposite angles are angles which are opposite each other when two lines cross
10. When an angle amounts more than 90* it is...
11. a quadrilateral that has two pairs of opposite sides that are parallel
14. The .. of a triangle is a straight line that joins one point
15. The .. of a triangle is a straight line that joins one point (vertex) of a triangle to the mid point od the opposite site
17. The union of two rays that have the same end point is called