Lines
More Lines
Geometric proof
More Geometric Proof and Angles of Triangles
Polygons and angles and the Pythagorean Theorem
100
When two lines intersect in a plane and form right angles they are called ___________.
Perpendicular Lines
100
are interior angles that lay on the opposite sides of the Transversal
alternate interior angles
100
the process of making a conjecture after observing several examples
Inductive reasoning
100
once a statement or conjecture has been proven
theorem
100
a simple closed figure formed by three or more line segments
polygon
200
Two lines are called _____________ when they are in the same plane and do not intersect.
parallel lines
200
are exterior angles that lie on opposite sides of the transversal
alternate exterior angles
200
uses facts, rules, definition, or laws to make conjectures from given situations
Deductive reasoning
200
formed by three line segments that intersect only at their endpoints
triangle
200
a polygon that is equilateral (all sides are the same)
equiangular
300
A line that intersects two or more lines is called ________.
transversal
300
are in the same position on the two lines in relation to the transversal
corresponding angles
300
a logical argument where each statement is justified by a reason
proof
300
angle formed by the segments that lie inside the triangle
interior angle
300
all angles have the same measure
regular polygon
400
lie inside the lines
Interior Angles
400
Classify angle 1
Alternate Exterior Angle
400
writing a paragraph to explain why a conjecture is true
paragraph proof or informal proof
400
formed by one side of the triangle and the extension of the adjacent side
exterior angle
400
sides that form the right angle
legs
500
lie outside the lines
exterior angles
500
Classify angle 6
Alternate interior Angle
500
contains statements and reasons organized in 2 columns
two-column proof or formal proof
500
angles that are not adjacent to the exterior angles
remote interior angles
500
side opposite to the right angle
hypotenuse