Midpoints
Planes
Deductive Reasoning
Vocab
Angle Relationships
100
The endpoints of a segment are A(4,−2)B(10, 8)
what is the midpoint
(7,3)
100
plane P,
3 of any of these points:
R,S,M,B,D,Y
100
All roses are flowers. Some flowers fade quickly.
Can we conclude that some roses fade quickly?
No, we cannot conclude that. The fact that some flowers fade quickly doesn’t necessarily include roses.
100
Complementary Angles
two angles with measures that
have a sum of 90°
100
Whats the measure of Angle 1
126 degrees
200
The midpoint of a segment is M(7,3) One endpoint is A(2,−1)
what is the other endpoint?
(12,7)
200
A plane is determined by any two points.
False
200
All mammals have lungs. All whales are mammals.
Can we conclude that all whales have lungs?
Yes, all whales have lungs.
200
Coplanar
points are points
that lie in the same plane.
Noncoplanar points do not lie
in the same plane
200
What is the measure of angle 2
54 degrees
300
Find the midpoint of points A(–8,4) and B(6,10)
(-1,7)
300
Through any three non-co linear points, there is exactly one plane.
True
300
No reptiles have fur. All snakes are reptiles.
Can we conclude that snakes have no fur?
Yes, snakes have no fur.
300
Collinear
Collinear points are points
that lie on the same line.
Noncollinear points do not
lie on the same line.
300
What is the measure of angle 3
54 degrees
400
Find the midpoint of points C(3,–5) and D(9,–1)
(6,-3)
400
A plane extends infinitely in all directions.
True
400
All birds lay eggs. Penguins are birds.
Can we conclude that penguins lay eggs?
Yes, penguins lay eggs.
400
Supplementary Angles
two angles with measures
that have a sum of 180°
400
what angles are congruent
2, 3, 54 degrees
500
Find the midpoint of points E(–2,–7) and 3F(4,9).
(1,1)
500
Two planes can intersect in a single point.
False
500
Some fruits are sweet. All apples are fruits.
Can we conclude that some apples are sweet?
No, we cannot conclude that. Not all fruits that are sweet have to be apples.
500
Inductive reasoning
Inductive reasoning is the process of reaching a
conclusion based on a pattern of examples.
500
whats the measure of the unlabeled angle
108 degrees