# Math vocabulary 5

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1. Angles in the same position formed when a third line intersects 2 lines.
Corresponding angles
2. On an angle or a polygon, the point where 2 sides intersect.
Vertex
3. A parallelogram with 4 right angles.
Rectangle
4. A quadrilateral with exactly one pair of parallel sides.
Trapezoid
5. A closed plane figure formed by 3 or more line segments.
Polygon
6. A parallelogram with all sides congruent.
Rhombus
7. A quadrilateral with 2 sets of parallel sides.
Parallelogram
8. A rectangle with 4 congruent sides.
Square
9. A triangle with no congruent sides.
Scalene triangle
10. A triangle with 3 congruent sides.
Equilateral triangle
11. A triangle with one obtuse angle.
Obtuse triangle
12. A polygon with congruent sides and angles.
Regular polygon
13. A triangle with 2 congruent sides.
Isosceles triangle
14. A pair of opposite congruent angles formed by intersecting lines.
Vertical angles
15. Angles in the same plane that have a common vertex and a common side.
16. Lines that lie in different planes  They are neither parallel or perpendicular.
Skew lines diagonal
17. Lines that intersect to form right angles.
Perpendicular lines
18. Lines that lie in the same plane that do not intersect.
Parallel lineslines
19. A line that intersects 2 or more lines.
Transversal
20. The number of square units needed to cover a given surface.
Area
21. The distance around a circle.
Circumference
22. The distance around a polygon.
Perimeter
23. The ratio of the circumference of a circle to the length of its diameter.
Pi

equals 3.14
 Author: littleg.ward ID: 274031 Card Set: Math vocabulary 5 Updated: 2014-05-11 16:36:19 Tags: Math vocab Folders: Description: Math vocab Show Answers: