Geometry
Answers Review Chapter 2
Geometry
Answers Review Chapter 2
1a. If you are younger than 20, then you are a teenager.
1b. False
1c. example - a 5 year old girl is not a teenager.
1a. If you are younger than 20, then you are a teenager.
1b. False
1c. example - a 5 year old girl is not a teenager.
2a. If an angle has measure greater than 90 and less than
180, then it is obtuse.
2b. True
2c. An angle is obtuse if and only if it has a measure greater
than 90 and less than 180.
2a. If an angle has measure greater than 90 and less than
180, then it is obtuse.
2b. True
2c. An angle is obtuse if and only if it has a measure greater
than 90 and less than 180.
3a. If a figure has 4 sides, then it is a square.
3b. False
3c. Example – it could be a kite.
3a. If a figure has 4 sides, then it is a square.
3b. False
3c. Example – it could be a kite.
4.
RS = XY
6. x = 50
5. m  Y
4.
7. y
6. x = 50
8. If two angles are complementary , then the sum of their
o
5. m  Y
RS = XY
7. y
8. If two angles are complementary , then the sum of their
o
measures is 90 .
measures is 90 .
o
o
If the sum of the measures of two angles is 90 , then the
angles are complementary.
If the sum of the measures of two angles is 90 , then the
angles are complementary.
9a. 38
9d. 154
9a. 38
11. 4
10. 50
9b. 154
9c. 26
10. 50
9b. 154
9d. 154
11. 4
12. 46.5
12. 46.5
13.
13.
Lucy will become a better player.
9c. 26
Lucy will become a better player.
14. If Kate studies, then she will graduate.
14. If Kate studies, then she will graduate.
15. James and John are not did not appear together.
15. James and John are not did not appear together.
16. Steve dropped the wining touchdown pass.
16. Steve dropped the wining touchdown pass.
17. The converse is false. A pen is a counterexample.
17. The converse is false. A pen is a counterexample.
18. The converse is false. A counterexample of something
you read is a magazine.
18. The converse is false. A counterexample of something
you read is a magazine.
19. The converse is false. An octopus is a counterexample.
19. The converse is false. An octopus is a counterexample.
20.
1.
2.
3.
4.
5.
segment addition
substitution
combine like terms
subtraction property
division property
20.
1.
2.
3.
4.
5.
21.
1. Given
2. distributive property
3. combine like terms
4. subtraction property
5. division property
21.
1. Given
2. distributive property
3. combine like terms
4. subtraction property
5. division property
segment addition
substitution
combine like terms
subtraction property
division property