Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
42 Cards in this Set
- Front
- Back
What are the three types of transformations?
|
Reflection
Rotation Translation |
|
What is the new figure called after you transform a figure?
|
image
|
|
What is a prediction based on inductive reasoning?
|
conjecture
|
|
What parts does a conditional statement have?
|
hypothesis
conclusion |
|
What is a conditional statement called when the hypothesis is true and the conclusion is false?
|
counterexample
|
|
What do you call points on the same line?
Same plane? |
Collinear
Coplanar |
|
What are the three types of lines?
|
Intersecting
Parallel Skew |
|
What is a line, segment, or ray that intersects a segment at its midpoint?
|
bisector
|
|
What is the point that divides a segment into 2 congruent segments called?
|
midpoint
|
|
What is a part of a line with no endpoint called?
|
ray
|
|
What is a part of a line with 2 endpoints called?
|
segment
|
|
What do you call an angle that measures 180 degrees?
|
straight angle
|
|
Name how many congruent sides each triangle has: scalene, isoceles, equilateral.
|
s=none
i=at least 2 e=all are congruent |
|
How many acute angles does an acute triangle have?
|
3
|
|
What do you call a closed plane figure whose sides are segments that intersect only at their endpoints?
|
polygon
|
|
What does being a "regular" polygon mean?
|
equilateral
equiangular |
|
What does "concave" mean?
|
A segment can be drawn outside of the polygon to connect the vertices
|
|
What is the sum of the exterior angles of any polygon?
|
360 degrees
|
|
What are the 2 congruent faces of a prism called that lie in parallel planes?
|
bases
|
|
What are the other faces of a prism besides the bases called?
|
lateral faces
|
|
What is the result of cutting a prism along its edges, then opening and unfolding it?
|
NET
|
|
What type of reasoning uses facts?
|
deductive
|
|
What do you call a statement that is accepted without proof?
|
postulate
|
|
What is a conjecture that can be proved to be true?
|
theorem
|
|
Name the order of statements, starting with "conditional."
|
Conditional (a, b)
Converse (b,a) Inverse (a not, b not) Contrapositive (b not, a not) |
|
What's the distance formula?
|
___________________
_/(X2-X1)2 + (Y2-Y1)2 |
|
What's the midpoint formula?
|
X1 + X2 Y1 + Y2
_______ + ________ 2 2 |
|
What's the slope formula?
|
Y2-Y1
------- = m X2-X1 |
|
What's the formula for the equation of a line?
|
y = mx + b
|
|
What's the equation of a circle with center (0,0)?
|
X2 + Y2 = R2
|
|
What's the equation of a circle with a center that is not (0,0)?
|
(x-h)2 + (y-k)2 = r2
|
|
What do you call two circles that have the same center?
|
concentric circles
|
|
What do you call (x,y,z)?
|
an ordered triple
|
|
Corresponding angle __________
|
postulate
|
|
Alternate Interior Angle __________
|
Theorem
|
|
Same side interior angle _______
|
theorem
|
|
What are the four types of proofs?
|
Paragraph
Flow Two-Column KEY STEPS |
|
Name the theorem: if 2 planes are intersected by a third plane, then the lines of intersection are parallel.
|
intersecting planes theorem
|
|
name the theorem: if two planes are parallel to a third plane, then the two planes are parallel.
|
parallel planes theorem
|
|
Name the Pythagorean Theorem formula.
|
(A)2 + (B)2 = (C)2
(2 means "squared") |
|
What are the two parallel sides of a trapezoid called?
|
bases
|
|
What are the two non-parallel sides of a trapezoid called?
|
legs
|