# Geometry Regents Review

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1. What is the sum of interior angles in a polygon?
180(n-2)
2. How do you find each interior angle of a regular polygon?
(180(n-2))/2
3. What is the sum of exterior angles in a polygon?
360 degrees
4. How do you find each exterior angle of a regular polygon?
360/n
5. What is the rule for finding the converse?
Switch the positions of the conditions
6. What is the rule for finding the inverse?
Negate the conditions
7. What is the rule for finding the contrapositive?
Negate and switch the positions of the conditions
8. What conditional rule has the same truth value as the original statement?
Contrapositive
9. How many congruent sides do each of the following triangles have?
Scalene
Isosceles
Equilateral
• Scalene - none
• Isosceles - 2
• Equilateral - 3
10. Which methods can be used to prove triangles congruent?
• SSS
• SAS
• ASA
• AAS
• HL (for right triangles)
11. What is the locus of a fixed distance from a point?
A circle whose center is ____ and whose radius is ____
12. What is the locus of a fixed distance from a line?
Two parallel lines on opposite sides each a given distance away
13. What is the locus of two parallel lines?
A third parallel line midway between them
14. What is the locus of two intersecting lines?
The angle bisectors of the angle formed by the intersecting lines
15. What is the locus of two points?
The perpendicular bisector of the segment joining the two points
16. What angle is the longest side of a triangle opposite of?
The largest angle
17. What method can prove triangles similar?
AA
18. The mid-segment of a triangle that is parallel to the third side is how much of that length?
Half
19. What is the formula for midpoints?
M = (avg x, avg y)
20. What is the formula for distance?
21. What is the formula for slope?
22. What does an isometry do in a transformation?
Preserves length
23. What does orientation mean in a transformation?
Label order
 Author: heats800 ID: 274322 Card Set: Geometry Regents Review Updated: 2014-05-13 20:53:09 Tags: Geometry Heats800 Regents 9H Folders: Description: Geometry Regents Review Show Answers: