Show:
GEOMETRY 1
GEOMETRY 2
GEOMETRY 3
GEOMETRY 4
GEOMETRY 5
100
A location in space.
What is a point?
100
A series of points that extend in two opposite directions without end.
What is a line?
100
Part of a line with two endpoints and all the points between the endpoints.
What is a segment?
100
Part of a line that has one endpoint and all the points of a line on one side of the endpoint.
What is a ray?
100
Points that are all in the same line.
What are collinear points?
200
A flat surface with no thickness that extends in all directions without end.
What is a plane?
200
Two lines that cross and have exactly one point in common.
What are intersecting lines?
200
Lines in the same plane that have no points in common.
What are parallel lines?
200
Made up of two rays and a common endpoint.
What is an angle?
200
Measures more than 0 degrees and less than 90 degrees.
What is an acute angle?
300
Measures exactly 90 degrees.
What is a right angle?
300
Measures more than 90 degrees and less than 180 degrees.
What is an obtuse angle?
300
Measures 180 degrees.
What is a straight angle?
300
Two intersecting lines that form right angles.
What are perpendicular lines?
300
Two angles that add up to 90 degrees.
What are complementary angles?
400
Two angles that add up to 180 degrees.
What are supplementary angles?
400
Angles with equal measures.
What are congruent angles?
400
Angles that are opposite of each other and are congruent.
What are vertical angles?
400
A triangle with three acute angles.
What is an acute triangle?
400
A triangle with one obtuse angle.
What is an obtuse triangle?
500
A triangle with one right angle.
What is a right triangle?
500
A triangle with three congruent sides.
What is an equilateral triangle?
500
A triangle with at least two sides congruent.
What is an isosceles triangle?
500
A triangle with no congruent sides.
What is a scalene triangle?
500
Segments that have the same length.
What are congruent segments?