Across
- 3. It is the union of three or more coplanar segments.
- 5. This is an altitude of a triangle if it is perpendicular from a vertex of the triangle to the line that contains the opposite side.
- 6. The _______ is greater than any of its parts.
- 7. A polygon is _______ if and only if at least one of its sides is contained in a line, which also contains points in the interior of the polygon.
- 8. A polygon is _______ if the lines containing the sides of the polygon do not contain points in its interior
- 9. A _______ has four congruent sides.
- 11. An angle inscribed in a semicircle is a _______ angle.
Down
- 1. This is a polygon formed by three segments, joining three noncollinear points.
- 2. If a radius is perpendicular to a chord, then it _______ the chord.
- 3. A _______ has two pairs of parallel sides.
- 4. A triangle is either acute, right, obtuse, or equiangular depending on the _______ of its angles.
- 10. A ______ has four right angles and four congruent sides.