Points, Lines, Planes
Problems
Problems
What is a point?
Is a location and has no size.
What are congruent segments?
Segments with the same length.
What are the angle measures of an acute angle?
Between 0 and 90 degrees.
What is the distance formula?
Answer on the board.
What is a segment?
The part of a line consisting of two endpoints and all points between them.
What is a line?
A series of points that extends in two opposite directions without end.
What is the midpoint of a segment?
A point that divides the segment into two congruent segments.
Name a pair of complementary angles.
Angles 2 and 3.
What is the midpoint formula?
Answer on the board.
What is a ray?
The part of a line consisting of one endpoint and all the points of the line on one side of the endpoint.
What is the term for points and lines in the same plane?
Coplanar.
Find AB and BC. Are segment AB and BC congruent?
AB = 3
BC = 3
They are congruent.
Name a pair of vertical angles.
Angles 3 and 5.
Find the distance between T(5,2) and R(-4,-1) to the nearest tenth.
TR = 9.5
What are skew lines?
Lines that are noncoplanar.
Are not parallel and do not intersect.
If two planes intersect, then they intersect in exactly
___________.
One line.
C is the midpoint of Segment AB. Find x.
x = 5
Name a pair of adjacent supplementary angles.
Angles 4 and 5.
Or angles 3 and 4.
Segment QS has endpoints Q(3,5) and S(7, -9). Find the coordinates of its midpoint M.
M = (5, -2)
Name Ray BC in another way.
Ray BD
Through any three noncollinear points, there is exactly ________.
One plane.
If Segment DT = 60, find the value of x.
x = 16
What is the measurement of angle TSW if the measure of angle RST = 50 and RSW = 125.
Measurement of TSW = 75.
The midpoint of segment AB is M(3,4). One endpoint is A(-3, -2). Find the coordinates of the other endpoint B.
B(9, 10)
A line.