Congruence, Proof and Constructions
For two line segments to be congruent, they must...
What is have the same length?
What are the coordinates of the new point if you reflect (1,-2) over the x-axis?
What is (1,2)?
What does it mean when two lines are parallel?
What is the 2 lines never cross and have the same slope?
What is 3 interior angles, 3 vertices, and 3 sides?
What is a triangle?
True or False.There are rules for 45°-45°-90° and 39°-60°-90° triangles that if memorized will help me solve problems
What is true?
In geometry, a flat surface that contains points and lines
What is a plane?
The rule below indicates which type of a transformation?
(x,y) -> (x-2, y +1)
What is a translation?
Two lines are parallel if they have what two things?
Two angles are congruent if and only if their corresponding parts are what?
What is congruent?
What is an angle formed above the horizontal line and the observers line of sight looking up to an object above the horizontal line called?
What is angle of elevation?
These intersect at their
endpoints and resemble a
line
What is a ray?
The point (-2, -4) is reflected across the x-axis, followed (x-4, y+3). Find the coordinates of the image point.
What is (-6,7)?
Two line are perpendicular if they have what two things?
What is if they intersect and form a right angle?
If three sides of one triangle are congruent to three sides of another triangle, what is the triangle called?
What is side-side-side congruence postulate or SSS?
What is an angle formed above the horizontal line and the observers line of sight looking up to an object below the horizontal line called?
What is Angle of Depression?
To construct a congruent line segment, what tool is needed?
What is a compass?
You transform the point (-8, 4) by rotating it 180 degrees around the origin. What are the coordinates of the new point?
What is (8, -4)?
What type of angles are opposite and congruent to each other?
What is vertical angles?
If two sides and the included angle of one triangle is are congruent to two sides and the included angle of another triangle, then what is the triangle called?
What is side-angle-side congruence postulate or SAS?
altitude/left=right//altitude, which means what?
What is altitude2= left x right?
The statement is m<4=m<1. What is the proof?
What is Alternate interior angles theorem?
In geometry, Dilations result in what?
What is noncongruent polygons?
Two angles that are adjacent and the non-common side form a straight line is called what?
What is a linear pair?
If two angles and the included side of one triangle are congruent to two angles and the included side of another triangle, what is the triangle called?
What is Angle-Side-Angle congruence postulate or ASA?
If I have hypotenuse/leg 1= leg1/part, what will hypotenuse/leg 2=be equal to?
What is leg 2/part 2?