Across
- 2. m=y1-y2/x1-x2
- 3. angle An angle that measures less than 90° and greater than 0°.
- 4. number The set of all rational and irrational numbers.
- 8. Having the same value.
- 9. triangle A triangle having an interior right angle.
Down
- 1. The longest side of a right triangle; the side opposite the right angle.
- 3. The number of square units needed to cover a surface.
- 5. The horizontal number line on a rectangular coordinate system.
- 6. A closed plane figure with all points of the figure the same distance from the center. The equation for a circle with center (h, k) and radius r is(x - h)2 + (y - k)2 = r2
- 7. A relation from A to B is any subset of the cross product of A and B.