Geometry Puzzle

3. This is the total distance around the outside of a shape. It is found by adding up all lengths of the sides.
10. This is a closed shape made of straight line segments. Examples are shapes like pentagons, hexagons, and octagons.
11. This is the amount of space a 3D object has. It’s measured with cubic units.
12. This shape has a base and triangle faces. All of the faces meet at the top point of the shape.
13. Extends infinitely in two opposite directions. Perfectly straight and doesn’t have any curves.
16. The point where two lines meet. Labeled with a capital letter.
17. This is exactly half the length of the diameter. Measures the middle of the circle.
18. These lines intersect to form a perfect 90-degree angle. They have opposite slopes

1. This is when one half of a shape is identical to the other half. If you were to cut it in half, each side would be equal to one another.
2. All points on this curved shape are equal from the center. It has no corners or straight edges.
4. This is made with exactly three sides and three angles. The interior angles always sum to 180 degrees.
5. This straight line passes through the center and touches both sides. It represents the widest part of a circle.
6. This is created by two rays that share a common endpoint. It is measured in angles
7. This is the longest side of a right-angled triangle. It is opposite to the right angle.
8. This has two circle bases and one curved side. Its shape looks like a soup can.
9. This has four equal sides and four right angles. It is a type of polygon.
10. These lines stay the same distance apart and never intersect. They share the same slope on a graph.
14. This is a round object and it looks like a ball. Every point on the shape is equally close to the middle.
15. This measures the amount of space inside a shape. It is showed in squared units like centimeters or inches.
18. A certain location. It has no size, length, or width.