Help
Options
Didn't know it?
click below
click below
Knew it?
click below
click below
Don't Know
Remaining cards (0)
Know
retry
shuffle
restart
0:00
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.
Normal Size Small Size show me how
Normal Size Small Size show me how
math ch. 7 voc
ph math ch 7 vocabulary words
| Question | Answer |
|---|---|
| point | tells a location |
| line | series of points that have no end |
| segment | part of a line but it has two endpoints |
| intersecting lines | lines that cross at one point |
| parallel lines | lines that never cross |
| angle | formed by two rays or line segments |
| vertex | point where two line segments or rays meet |
| acute angle | an angle between 0 and 90 |
| right angle | an angle that is exactly 90 |
| obtuse angle | an angle that is between 90 and 180 |
| straight angle | an angle that is exactly 180a line |
| complementary angle | two angle measurements that when added equal 90 |
| supplementary angle | two angle measurements that when added equal 180 |
| adjacent angles | side by sideshare a vertex and a side |
| vertical angles | angles across from each othershare a vertex but no sidescongruent |
| congruent angles | two angles exactly the same measurement |
| midpoint | point that divides a line segment into two equal parts |
| perpendicular lines | two lines that form right angles |
| arc | part of circle |
| angle bisector | a line that divides an angle into two congruent or equal angles |
| congruent | ~= |
| congruent sides | sides that are the same length |
| triangle | 3 sided closed polygon |
| scalene triangle | a triangle with no congruent sides |
| isosceles triangle | a triangle with at least 2 congruent sides |
| equilateral triangle | a triangle with all sides congruent |
| sum of angles in triangle | 180 |
| right triangle | a triangle with one right angle |
| acute triangle | a triangle with 3 acute angles |
| obtuse triangle | a triangle with one obtuse angle and two acute angles |
| polygon | closed plane figure with sides formed by line segments |
| quadrilateral | a polygon with four sides |
| pentagon | a polygon with five sides |
| hexagon | a polygon with six sides |
| heptagon | a polygon with seven sides |
| octagon | a polygon with eight sides |
| nonagon | a polygon with nine sides |
| decagon | a polygon with ten sides |
| regular polygon | a polygon with all sides congruent and all angles congruent |
| irregular polygon | a polygon with no sides or angles congruent |
| trapezoid | a quadrilateral with exactly one pair of parallel sides |
| isosceles trapezoid | a trapezoid with congruent non-parallel sides |
| parallelogram | a quadrilateral with both pairs of opposite sides parallel and congruent |
| rectangle | parallelogram with four right angles |
| square | a parallelogram with four right angles and four congruent sides |
| rhombus | a parallelogram with four congruent sides and no right angles |
| circle | a set of points that are the same distance from the center |
| radius | segment from the center to a point on the circle |
| diameter | segment from one point on circle through the center to another point on the circle |
| chord | segment from one point on circle to another point on circle. Does not go through the circle. |
| central angle | an angle in the circle where the vertex is the center of the circle |
| semi-circle | half of the circumference of a circle |
| circle graph | a graph of data where a circle represents the whole (100%) |
Created by:
jenwoodlief
Popular Math sets