# Geometry

##### Across
1. 2. The adjacent leg of an angle over the hypotenuse. A basic function of trigonometry.
2. 4. An angle whose measure is less than 90 degrees.an angle whose measure is less than ninety degrees but more than zero degrees.
3. 7. The formula that is used to find the distance between two points. The equation used to find the distance between two points, when given coordinates.
4. 9. An angle that is greater than ninety degrees is a ______. An angle with a measure greater the 90 degrees but less than 180 degrees.
5. 10. Flat surfaces that extend forever in all directions. Is defined by at least 3 points.
6. 11. _____ is a ninety degree angle. An angle that equals exactly 90 degrees.
7. 12. One of the basic trigonometry functions.The opposite leg of an angle over the hypotenuse.
8. 14. Used to find the midway between two points given the points. The formula to find the midpoint.
9. 15. Two or more angles that are next to each other. Two non-overlapping agues that share common side and common vertex.
10. 18. When two lines cross at a ninety degree angle. When a right angle is formed by a pair of angles
##### Down
1. 1. A geometric figure that divides a line segment exactly in half. A line, ray or segment that passes through the midpoint of a segment.
2. 3. The intersection of two sides of a polygon. A point where two or more line segments meet.
3. 5. The set of several points between and beyond two points. A _______ is infinite in length.
4. 6. An _______ is formed when two rays share an endpoint. Made when two lines meet at a common endpoint.
5. 8. A portion of a line. The lengths finite and determined by the two endpoints.
6. 10. A location in space with no exact size or shape. Shown as a dot with a capitol letter.
7. 13. Lines that do not cross each other. Lines that will never cross each other.
8. 16. Points that lie on the same plane are____ points. Points that are on the same plane.
9. 17. Points that are on the same line are_______. A set of points that lie on a straight line.
10. 19. A part of a line that has an endpoint and another end that extends into infinity. A part of a line that has one endpoint but is otherwise unbounded.