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