Vocab
one of the three "undefined terms" in Geometry having only position
point
The midpoint of line AC is B. If AB=10 and BC=2x, what is the value of x?
5
two angles whose measures have sum 90.
Complementary Angles
Draw a pair of vertical angles
Diagram
If two lines intersect, what is the result?
A Point
part of a line containing two endpoints and all points between them
Line segment
On a number line, D is located at -2, and E is located at 8, what is the distance between D and E?
10
A linear pair adds up to how many degrees?
180
Construct a line with Points A, B and C on the line.
Diagram
Where two planes intersect.
Line
part of a line that consists of one endpoint and all points of the line extending in one direction
Ray
What is the midpoint formula?
(a+b)/2
Lines that intersect at 90 degrees
Perpendicular lines
Draw a pair of adjacent angles.
Drawing.
two or more points on the same line
Collinear Points
The point of a line segment that divides it into two parts of the same length.
Midpoint
B is between A and C, AC is 14, and BC is 11, find AB.
3
<P and <R are vertical angles. If m<P = 87, what is m<R?
87
Construct a plane with 2 perpendicular lines on it.
Drawing.
G is the midpoint of FH. If FG = 25 + 6y and GH = 16 - 3y, find the length of FH.
38
A ___________ is a line, segment, or ray that divides a segment into two congruent segments.
Bisector
B is the midpoint of AC, AB is 7x, BC is 3x + 4. Find AB.
7
Angles formed opposite of each other when two lines intersect
Vertical Angles
Construct a line AB on plane R with C, D, and E on the plane but not on the line.
Show me.
one of the three "undefined terms" in geometry having only length (one dimension)
line