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Grade 10 Sophomore > haney test #3 > Flashcards

haney test #3 Flashcards

1
Q

what is the equation for finding the sum of the interior angles of a polygon with n sides?

A

180(n-2)

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2
Q

What is the equation for finding the measure of each angle of a regular polygon with n sides

A

[180(n-2)]/n

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3
Q

what is the name of a three sided polygon

A

triangle

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4
Q

what is the name of a four sided polygon

A

quadrilateral

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5
Q

what is the name of a five sided polygon

A

pentagon

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6
Q

what is the name of a six sided polygon

A

hexagon

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7
Q

what is the name of a seven sided polygon

A

heptagon

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8
Q

what is the name of a eight sided polygon

A

octagon

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9
Q

what is the name of a nine sided polygon

A

nonagon

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10
Q

what is the name of a ten sided polygon

A

decagon

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11
Q

what is the name of a twelve sided polygon

A

dodecagon

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12
Q

Define perpendicular bisector

A

Line, ray, or segment that intersects at the midpoint such that it is perpendicular to the segment

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13
Q

Define median

A

Segment of a triangle that goes from the vertex to the midpoint of the opposite side

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14
Q

Define reflexive property

A

any segment or angle is congruent to itself

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15
Q

What are the triangle congruency postulate?

A

SSS,SAS,ASA

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16
Q

What are the triangle congruency theorems?

A

AAS, HL

17
Q

What is the difference between postulates and theorems?

A

Postulate-(axions) are accepted as true

Theorem-have been proven true

18
Q

What is a polygon?

A

a closed figure that is the union of line segments in a plane

19
Q

What is a convex polygon?

A

all interior angles are less than 180 degrees

20
Q

What is a concave polygon?

A

At least one interior angle is greater than 180.

21
Q

What is the transitive property?

A

if two quantities are equal to the same quantity then theyre equal to each other
AB=CD CD=EF AB=EF

22
Q

What is the symmetric property

A

If a quantity is equal to a second quantity then the second quantity is equal to the first
OA=AB AB=OA

23
Q

What is the addition property of equality

A

If equal quantities are added to equal quantities then the suma are equal
AB=DF BC=CD AB+BC=DF+CD

24
Q

What is the subtraction property of equality

A

If equal quantities are subtracted from equal quantities then the differences are equal
AB+BC=CD BC=DE then AB=CD

25
Q

What is theh multiplication property of equality

A

If equal quantities are multiplied by equal quantities then the profucts are equal
m

26
Q

What is the division property of equality

A

if equal quantities are divided by equal quantities then the quotients are equal
AB=XY AB/2=XY/2

27
Q

What is the substitution property of equality

A

A quantity may be substitued for its equal

Grade 10 Sophomore (38 decks)

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