Geometry Vocab

3. A plane figure with four straight sides and four right angles, especially one with unequal adjacent sides, in contrast to a square.
5. The point where all three altitudes of the triangle intersect.
8. The median value of a range of values.
11. Having all its sides of the same length.
12. A line that splits an angle into two equal angles.
15. A plane figure with four equal straight sides and four right angles.
16. Joining two opposite corners of a square, rectangle, or other straight-sided shape.
18. A four-sided plane rectilinear figure with opposite sides parallel.

1. A line that bisects another line segment at a right angle, through the intersection point.
2. The centre point of the object
4. A parallelogram with opposite equal acute angles, opposite equal obtuse angles, and four equal sides.
6. The point where the perpendicular bisectors of the sides of that particular triangle intersect.
7. A quadrilateral with only one pair of parallel sides.
9. The height of an object or point about sea level or ground level.
10. A point where three angle bisectors from three vertices of the triangle meet.
13. At equal distances.
14. Having equal angles.
17. A quadrilateral with reflection symmetry across a diagonal.