geometry crossword
Across
- 2. a line that extends in one direction infinitely in one direction. It is noted on the exam with a one sided arrow.
- 7. a flat shape with four sides. Two of the sides are parallel
- 9. the figure formed by three segments joining three noncollinear points. Each of the three points is a vertex of the triangle and the segments are the sides
- 10. a plane figure with five straight sides. It also has five angles.
- 11. A triangle with two equal sides. The angles opposite the equal sides are also equal.
- 12. set of points which has infinite length but no width or height. A line is named by a lower case letter or by any two points on the line.
- 13. A three-dimensional figure with identical ends. Named after the two-dimensional shape at the ends.
- 15. a polygon that has 8 sides. And needs 8 angles.
- 16. a plane figure with five straight sides. And it must contain five angles.
- 17. An equation that relates the side lengths of a right triangle, a2+b2=c2, where a and b are the lengths of the sides making the right angle, and c is the length of the hypotenuse
- 18. line segments that intersect at a 90-degree angle. This can include any two line segments that come together as long as the angle they cross at is 90 degrees.
- 20. If both the arms of the angle overlap each other. And then they form an angle that measures three hundred and sixty degrees.
Down
- 1. a polygon who has four sides, four angles. And four vertices.
- 3. A triangle in which one of the interior angles is 90° is called a right triangle. The longest side is called the hypotenuse.
- 4. triangle a triangle whose all three sides have different lengths. And all three angles are of different measures.
- 5. Also known as corner/corners. The point at which two sides of a two-dimensional figure or two edges of a three-dimensional figure meet.
- 6. a type of angle that is always larger than 90°. But it has to be less than 180°.
- 8. a line segment that connects a vertex to the opposite line of the triangle, and is perpendicular to that line.
- 14. An angle whose measure is more than zero degrees 0° and less than ninety degrees 90° is known as an acute angle.
- 19. a quadrilateral with both pairs of opposite sides parallel. And all sides the same length.