Geometry Words

3. a 90 degree angle
6. a rectangle having all four sides of equal length
11. a part of a line having two endpoints
12. solid whose side faces are parallelograms and whose ends (bases) are congruent parallel rectilinear figures.
14. when the sum of two angles is 90°
15. an angle less than 90 degrees but greater than 0 degrees

1. a triangle having three unequal sides and angles
2. the meeting point of a pair of sides of a polygon is called its vertex
4. a triangle with one internal angle equal to 90 degrees
5. a quadrilateral having both pairs of opposite sides parallel to each other
7. a solid with two congruent circles joined by a curved surface.
8. a line intersecting two or more given lines in a plane at different points.
9. an angle greater than 90 degrees but less than 180 degrees
10. a straight line passing through the center of a circle or sphere and meeting the circumference or surface at each end
13. the intersection point of two sides of a plane figure