Across
- 5. Half of the perimeter of a triangle, denoted by '\[s\]' in Heron's formula.
- 7. An event that is 100% sure to happen, possessing a probability value exactly equal to one.
- 8. The branch of mathematics that measures the numerical likelihood or chance of an event occurring.
Down
- 1. A line segment joining a vertex of a triangle to the midpoint of the opposite side, which divides the triangle into two sub-triangles of exactly equal area.
- 2. The name of the ancient mathematician who gave the famous formula to calculate the area of a triangle using its three sides.
- 3. A specific portion of a circle bounded by two radii and an arc, whose area is solved using a central angle.
- 4. A collection of one or more outcomes of a random experiment.
- 6. An event that can never happen under any circumstance, possessing a probability value of zero.