Geometry PowerPoiint by grade 2

1. Geometry in Rosholt
Sarah, Seth, Adi, Kaydence

2. perpendicular line segments
Two line segments that intersect at right
angles.

3. line segment
A part of a line between and including two
points called endpoints of the segment.

4. line
A 1-dimensional straight path that extends
forever in opposite directions.

5. ray
A part of a line starting at the endpoint and
continuing forever in one direction.

6. right angle
An angle that is 90 degrees.

7. Vertex
The point at which the rays of an angle meet

8. Intersecting lines
Two lines that cross one another but do not for
a 90 degree angle.

9. convex
A polygon in which all vertices appear to be
pushed outward

10. Concave
A polygon in which at least one vertex appear
to be pushed inward

11. Quadrangle
A four sided polygon.

12. Parallel lines
Lines in a plane that are the same distance
apart and never meet.

13. Rectangle
A parallelogram with all right angles.

14. Rhombus
A parallelogram with all sides the same length.

15. Trapezoid
A quadrilateral that has one pair of parallel
sides.

16. Parallelogram
A quadrilateral with two pairs of parallel lines.

17. parallel rays
Two rays that are the same distance apart and
never meet.

18. Radius
A line segment from the center of a circle to
any point on the circle.

19. Diameter
A line segment that passes through the center
of a circle and has endpoints on the circle.

20. Circumference
The distance around a circle.

21. The End !