Across
- 4. segment connecting the vertex of a triangle to the midpoint of its opposite side
- 7. a trapezoid with the nonparallel sides congruent
- 9. to provide the characteristics necessary to specify a figure
- 10. if a point is on the perpendicular bisector of a __, then it is equidistant from the endpoints
- 11. copy using construction tools
- 16. if a __ is equidistant from the endpoints of a segment, then it is on the perpendicular bisector of the segment
- 17. the three angle bisectors of a triangle are __
- 19. the length of the perpendicular segment from the point to the line
- 25. to lie exactly on top of each other
- 26. point at the horizon line toward which parallel lines converge in a perspective drawing
- 27. the __ perpendicular bisectors of a triangle are concurrent
- 28. the three __ of a triangle are concurrent
- 29. the __ of a triangle is equidistant from the sides
- 30. the __ of a triangle divides each median into two parts so that the distance from the centroid to the vertex is twice the distance from the centroid to the midpoint of the opposite side
- 31. a technique of portraying solid objects and spatial relationships on a flat surface by drawing objects as they recede into the distance
- 32. to draw a shape, line or angle accurately using a compass and straightedge
Down
- 1. if a point is on the __ of an angle, then it is equidistant from the sides of the angle
- 2. the same distance from two endpoints of a line segment in a plane
- 3. the shortest distance from a point to a line is measured along the __ segment from the point to the line
- 5. line that divides a line segment into two congruent parts and is perpendicular to the line segment
- 6. intersecting each side of the polygon exactly once, such as a circle inscribed in a circle
- 8. the three __ of a triangle are concurrent
- 10. a line, ray, or segment that passes through the midpoint of a segment
- 12. lines that lie in the same plane and do not intersect
- 13. a horizontal line representing eye level in a perspective drawing, containing one or two vanishing points, toward which lines from foreground to background converge
- 14. the __ of a triangle is equidistant from the vertices
- 15. the point of intersection
- 18. segment that connects the midpoint of two sides of a triangle
- 20. a perspective drawing that uses two vanishing points
- 21. perpendicular segment from a vertex to the opposite side or to a line containing the opposite side
- 22. the point of concurrency for the three altitudes
- 23. having all sides tangent to the circle
- 24. the centroid of a triangle is the center of __ of the triangular region