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Chapter 2 – Review Key
1)
2)
3)
4)
5)
You do your Geometry homework.
You will be a happy person.
You give a dog a bone.
He will eat it.
If angles are right angles, then they are
congruent.
6) If something is a car, then it has four wheels.
7) Inverse
8) Contrapositive
9) Converse
10) Contrapositive
11) Converse
12) Inverse
13) If tomorrow is Monday, then yesterday was
Saturday.
14) If-then: If a figure is a rectangle, then it has
four angles.
Inverse: If a figure is not a rectangle, then it
does not have four angles.
FALSE – rhombus, trapezoid, etc.
15) If lines are perpendicular, then they form four
right angles.
Contrapositive: If lines do not form four right
angles, then they are not perpendicular. TRUE.
16) If you are a high school student, then you are a
teenager. TRUE.
17) If you are a teenager, then you are a high school
student. FALSE – could be in college
18) If you are not a high school student, then you
are not a teenager. FALSE – could be in college
19) If you are not a teenager, then you are not a high
school student. TRUE.
20) If a figure has four sides, then it is a square.
FALSE - Cannot write biconditional.
21) If Ms. Boitz eats oatmeal, then it is 2nd period.
If it is 2nd period, then Ms. Boitz eats oatmeal.
22) Law of Detachment
23) Invalid
24) Law of Syllogism
25) Law of Detachment
26) Invalid
27) Invalid
Chapter 2 – Review Key
1)
2)
3)
4)
5)
You do your Geometry homework.
You will be a happy person.
You give a dog a bone.
He will eat it.
If angles are right angles, then they are
congruent.
6) If something is a car, then it has four wheels.
7) Inverse
8) Contrapositive
9) Converse
10) Contrapositive
11) Converse
12) Inverse
13) If tomorrow is Monday, then yesterday was
Saturday.
14) If-then: If a figure is a rectangle, then it has
four angles.
Inverse: If a figure is not a rectangle, then it
does not have four angles.
FALSE – rhombus, trapezoid, etc.
15) If lines are perpendicular, then they form four
right angles.
Contrapositive: If lines do not form four right
angles, then they are not perpendicular. TRUE.
16) If you are a high school student, then you are a
teenager. TRUE.
17) If you are a teenager, then you are a high school
student. FALSE – could be in college
18) If you are not a high school student, then you
are not a teenager. FALSE – could be in college
19) If you are not a teenager, then you are not a high
school student. TRUE.
20) If a figure has four sides, then it is a square.
FALSE - Cannot write biconditional.
21) If Ms. Boitz eats oatmeal, then it is 2nd period.
If it is 2nd period, then Ms. Boitz eats oatmeal.
22) Law of Detachment
23) Invalid
24) Law of Syllogism
25) Law of Detachment
26) Invalid
27) Invalid
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