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

# Geometry Ch 3

### Stepp's Prentice Hall Geometry Chapter 3 Parallel and Perpendicular Lines

Question | Answer |
---|---|

Two angles are ____ if their measures add up to 90 degrees. | complementary |

Two angles are ___ if their measures add to 180 degrees | supplementary |

two intersecting lines form two pairs congruent ____ angles | vertical |

A ___ pair consists of two angles that are adjacent and forms a straight line | linear |

vertical angles are ___ | congruent |

If two angles are a linear pair, then ____ | they are supplementary |

A line intersecting two or more coplanar lines is called a ____ | transversal |

angles that are in the same relative position are called ____ | corresponding angles |

alternate means ____ | on opposite sides of the transversal |

interior means ____ | between the parallel lines |

exterior means ____ | outside the parallel lines |

When parallel lines are crossed by a transversal only ___ sizes of angles are formed | 2 |

If parallel lines are cut by a transversal, then corresponding angles are ___ | congruent |

When parallel lines are cut by a transversal then _____, ______, and _____ angles are congruent | corresponding, alternate interior, alternate exterior |

if parallel lines are cut by a transversal, then alternate interior angles are ___ | congruent |

if parallel lines are cut by a transversal, then alternate exterior angles are ___ | congruent |

When you have a particular angle in a parallel line/transversal system any other angle in the system will be either ____ or _____ | congruent or supplementary |

if lines are cut by a transversal such that alternate interior angles are congruent, then the lines must be ____ | parallel |

if lines are cut by a transversal such that corresponding angles are congruent, then the lines must be ____ | parallel |

if lines are cut by a transversal such that alternate exterior angles are congruent, then the lines must be ____ | parallel |

If one angle in a parallel line/ transversal line system is 90, then all the angles are _____ | 90 |

slope = | rise over run |

a line going up as you move from left to right has a ____ slope | positive |

a line going down as you move from left to right has a ___ slope | negative |

a vertical line has ___ slope | undefined |

a horizontal line has ___ slope | zero |

In a coordinate plane, two distinct lines are ____ if and only if their slopes are ____ | parallel, the same |

In a coordinate plane, two nonvertical lines are ____ if and only if their slopes are ____ | perpendicular, negative reciprocals |

the slope-intercept equation is | y = mx + b |

In the slope-intercept form of the equation of a line "m" is the ___ | slope |

In the slope-intercept form of the equation of a line "b" is the ___ | y-intercept |

What is the slope of this line: y = 3x -2? | 3 |

What is the slope of this line: y = -4x + 2? | -4 |

What is the y-intercept of this line: y = 3x -2? | (0,-2) |

To graph a line when you have the equation, just ___ | plot the y-intercept, then get another point by "rising and running" from that point |

How do you graph a line with this equation: y=6x -1? | start at the intercept (0,-1), then from there, rise 6 and run 1 |

what kind of line has the equation y=2? | a flat line passing thru (0,2) |

what kind of line has an equation x = -3? | a vertical line passing thru (-3, 0) |

What is the midpoint of a line with endpoints (7, 10) and (3,16)? | (5,13) |

What is the midpoint of a line having endpoints (3,8) and (3,0)? | (3,4) |

If a line has one endpoint at (-2,6) and a midpoint at (1,1)? | (4, -4) |

In an intersection with an angle of 35 degrees, what are the other 3 angles? | 145, 35, and 145 degrees |

Two angles that are outside and opposite the transversal. | alternate exterior |

Two angles that are opposite a transversal. | alternate |

Two angles that are in between two lines. | interior |

Two angles that are outside two lines. | exterior |

Two angles that are in the same relative location. | corresponding |

To construct a parallel | Make a transversal and copy the angle |

The only kind of perpendicular we can make also must be a ___ | bisector |

Regular means_____ | both equilateral and equiangular |

The total of the interior angles in a triangle is ___ | 180 |

If you have a point and the slope use the ____ | point-slope form |

Unless otherwise mentioned all polygons are ____ | convex |

all polygons have an exterior angle sum of ___ | 360 |

isocseles means | two congruent sides, and two congruent angles |

scalene means | no congruent sides or angles |

The two ways we classify triangles is by thier ______ and ______ | sides and angles |

In order to name a special pair of angles you need to | identify the pair of parallel lines and the transversal |

In a parallel system all the angles will be either ___ or ___ | congruent or supplementary |

In a triangle, an exterior angles is equal to ____ | the sum of the two remote interior angles |

the key to finding the total of the interior angles in a polgyon is | caculating how many triangles can be formed from one vertex |

Each ange will be the same in a ___ polygon | regular (or equiangular) |

(n-2)180 is | the total degrees inside a polgon |

a dodecagon has | 12 sides |

a seven sided polygon is a | heptagon |

a nonagon has | 9 sides |

Ax + By = C is | the standard form of the equation of a line |

If you are given two points, how can you get the equation of the line? | calculate the slope, then substitute the slope and one of the points into the point-slope formula |

How can you graph by using the intercepts? | let x be zero to find the y-intercept and let vica versa |

what is the word for a 27 sided figure? | 27-gon |

In a right triangle the two acute angles are ____ | complementary |

one slope must be + and one - if the lines are | perpendicular |

To better analyze a drawing with several lines and for parallel relationships, you should isolate and redraw only the _ lines that frame the two angles you are analyzing | 2 |

Created by:
criswell216