Centers crossword

2. an angle of 90 degrees to a given plane line or surface
4. the lines in 2-D geometry which intersect each other exactly at one point
10. When two shapes same dimension or common ratio but size or length is different
11. two triangles where the corresponding sides are in the same ratio
13. the point at which the three angle bisectors intersect
14. a line segment joining the vertex to the midpoint becoming the opposite side

1. the sides opposite the same angle
3. the intersection point of the altitudes drawn from the vertices of the triangle to the opposite sides
5. Is found by the intersection of the three medians of a triangle
6. the point at which the three perpendicular hi sectors of the sides of a triangle intersect and which is the same distance from each other
7. a line ray or segment that divides an angle into 2 equal angles
8. the intersection of 3 or more lines rays segments or planes
9. The perpendicular line segment drawn from the vertex of the triangle to the opposite side
12. all three sides have the same length