mathematics Flashcards

1
Q

refers to any equality in measure in any 2 geometrical object

A

congruence

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2
Q

when 2 angles have same measures

A

congruent angles

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3
Q

if 2 segments have same lenghts

A

congruent object segments

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4
Q

𝑨𝑩≅𝑨𝑩

A

reflective

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5
Q

If ∠𝟏≅∠𝟐, 𝒕𝒉𝒆𝒏 ∠𝟐 ≅∠𝟏

A

symmetric

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6
Q

If 𝑨𝑩≅𝑪𝑫 𝒂𝒏𝒅 𝑪𝑫≅𝑬𝑭, 𝒕𝒉𝒆𝒏 𝑨𝑩 ≅𝑬𝑭

A

transitive

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7
Q

consists of list of statements, and the reasons why those statements are true

A

2 column proof

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8
Q

uses logic and accepted statements

A

deductive reasoning

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9
Q

a convincing demonstation that a statement is mathematically true

A

proof

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10
Q

what theorem is thsi?

𝑨𝒏𝒈𝒍𝒆𝒔 𝒔𝒖𝒑𝒑𝒍𝒆𝒎𝒆𝒏𝒕𝒂𝒓𝒚 𝒕𝒐 𝒕𝒉𝒆 𝒔𝒂𝒎𝒆
𝒂𝒏𝒈𝒍𝒆 𝒐𝒓 𝒕𝒐 𝒄𝒐𝒏𝒈𝒓𝒖𝒆𝒏𝒕 𝒂𝒏𝒈𝒍𝒆𝒔
𝒂𝒓𝒆 𝒄𝒐𝒏𝒈𝒓𝒖𝒆𝒏𝒕.

A

theorem 5.3

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11
Q

sum of their measures is 180

A

supplumentary

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12
Q

sum of their measures is 90

A

complementary

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13
Q

2 angles whose sides from opposite rays

A

vertical angles

congruent

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14
Q

A point B is between two other points A and C if all three points are collinear and AB +BC = AC.

A

betweeness of points

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14
Q

any 2 lines in a plane may be ??

A

parallel or intersecting

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15
Q

some intersecting lines form

A

perpenicular

16
Q

2 lines are intersecting if they have a?

A

common point

17
Q

2 lines are parallel if?

A

they do not meet

18
Q

2 lines are perpendicular if they?

A

form right angles

19
Q

line that intersect 2 or more coplanar lines

A

transversal

20
Q

name the parts

[?]
————->
[?]
————->

A

[exterior]
————->
[interior]
————->
[exterior]

21
Q

correspoding lines, alternate interior and exterior angles are all

A

congruent

22
Q

interior and exterior angles on the same side are?

A

supplementary

23
Q

formula for side interior angles

A

180-angle 1

24
Q

formula for angles 2

A

180-(180-angle1)-given