Across
- 2. The number representing nothing.
- 4. The space between two intersecting lines.
- 6. A measure of events' progression.
- 7. A standard quantity for measurement.
- 8. A corner point of a shape.
- 9. A tool to measure weight.
Down
- 1. The force due to gravity on an object.
- 3. A line that touches a curve at one point.
- 5. A shape with three sides.
- 8. The amount of space an object occupies.