geometry crossword

3. 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.
5. a polygon that has 8 sides. And needs 8 angles.
7. If both the arms of the angle overlap each other. And then they form an angle that measures three hundred and sixty degrees.
14. a flat shape with four sides. Two of the sides are parallel
17. A triangle with two equal sides. The angles opposite the equal sides are also equal.
18. 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
19. a type of angle that is always larger than 90°. But it has to be less than 180°.
20. A three-dimensional figure with identical ends. Named after the two-dimensional shape at the ends.

1. a line segment that connects a vertex to the opposite line of the triangle, and is perpendicular to that line.
2. a line that extends in one direction infinitely in one direction. It is noted on the exam with a one sided arrow.
4. 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
6. 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.
8. a plane figure with five straight sides. And it must contain five angles.
9. An angle whose measure is more than zero degrees 0° and less than ninety degrees 90° is known as an acute angle.
10. a plane figure with five straight sides. It also has five angles.
11. a polygon who has four sides, four angles. And four vertices.
12. a quadrilateral with both pairs of opposite sides parallel. And all sides the same length.
13. 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.
15. A triangle in which one of the interior angles is 90° is called a right triangle. The longest side is called the hypotenuse.
16. triangle a triangle whose all three sides have different lengths. And all three angles are of different measures.