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Geometry Regents Review
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What is the sum of interior angles in a polygon?
180(n-2)
How do you find each interior angle of a regular polygon?
(180(n-2))/2
What is the sum of exterior angles in a polygon?
360 degrees
How do you find each exterior angle of a regular polygon?
360/n
What is the rule for finding the converse?
Switch the positions of the conditions
What is the rule for finding the inverse?
Negate the conditions
What is the rule for finding the contrapositive?
Negate and switch the positions of the conditions
What conditional rule has the same truth value as the original statement?
Contrapositive
How many congruent sides do each of the following triangles have?
Scalene
Isosceles
Equilateral
Scalene - none
Isosceles - 2
Equilateral - 3
Which methods can be used to prove triangles congruent?
SSS
SAS
ASA
AAS
HL (for right triangles)
What is the locus of a fixed distance from a point?
A circle whose center is ____ and whose radius is ____
What is the locus of a fixed distance from a line?
Two parallel lines on opposite sides each a given distance away
What is the locus of two parallel lines?
A third parallel line midway between them
What is the locus of two intersecting lines?
The angle bisectors of the angle formed by the intersecting lines
What is the locus of two points?
The perpendicular bisector of the segment joining the two points
What angle is the longest side of a triangle opposite of?
The largest angle
What method can prove triangles similar?
AA
The mid-segment of a triangle that is parallel to the third side is how much of that length?
Half
What is the formula for midpoints?
M = (avg x, avg y)
What is the formula for distance?
What is the formula for slope?
What does an isometry do in a transformation?
Preserves length
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
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Description:
Geometry Regents Review
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