Geometry Chapter 1 Review

3. The last statement in a proof is what we are trying to _____
4. A _____ angle has 180 degrees
7. This mathematical operation is a valid Reason in a proof
9. THere are this many degrees between any two numbers on a clock
10. An if/then statement is called a _____
13. You may not use a conditional as a Reason unless it's hypothesis has appeared as a ______ in the proof
15. This is the "then" part of a conditional
16. Usually the first statement in a proof will have this Reason
17. A _____ angle has 90 degrees
18. There are this many minutes in a degree

1. You must _____ the steps of a proof
2. This point divides a segment into 2 congruent segments
4. This mathematical operation is a valid Reason in a proof
5. To convert minutes to degrees, you _____ by 60
6. This is the "if" part of a conditional
8. These are written as conditionals and are reversible
11. These are written as conditionals and can be proven
12. This is made from reversing the hypothesis and conclusion in a conditional
14. To convert a fraction of a degree to minutes, you _____ by 60