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Geometry > Chapter 10 Vocab > Flashcards

Chapter 10 Vocab Flashcards

1
Q

Triangle formula

A

1/2bh

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2
Q

Square formula

A

s^2

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3
Q

Parallelogram formula

A

bh

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4
Q

Rectangle formula

A

bh

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5
Q

Rhombus formula

A

1/2d1d2

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6
Q

Kite formula

A

1/2d1d2

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7
Q

Trapezoid formula

A

1/2h(b1+b2)

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8
Q

Regular polygon

A

1/2Pa

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9
Q

Circle formula

A

πr^2

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10
Q

Area of a sector

A

n/360πr^2

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11
Q

Base of a parallelogram

A

can be any one of its sides

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12
Q

Altitude of a parallelogram

A

segment perpendicular to the line containing that base, drawn from the side opposite the base

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13
Q

Height of a parallelogram

A

the length of a altitude (perpendicular to the base) to the line containing that base

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13
Q

Height of a trapezoid

A

perpendicular distance between the bases

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14
Q

Radius of a regular polygon

A

distance from the center to a vertex

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15
Q

Apothem

A

perpendicular distance from the center to a side

16
Q

Circle

A

the set of all points equidistant from a given point called the center

17
Q

Diameter

A

segment that contains the center of a circle and has both endpoints on the circle

18
Q

Radius

A

segment that has one endpoint at the center and the other on the circle

19
Q

Congruent circles

A

have congruent radii

20
Q

Central angle

A

an angle whose vertex is the center of the circle

21
Q

Semi circle

A

half of a circle

22
Q

Arc

A

part of a circle, measure in degrees

23
Q

Minor arc

A

smaller then a semicircle

24
Q

Major arc

A

larger then a semi circle

25
Q

Adjacent arcs

A

arcs of the same circle that have exactly one point in common

26
Q

Circumference

A

distance around the circle

27
Q

Pi

A

the ratio of the circumference of a circle to its diameter

28
Q

Concentric circles

A

coplanar circles that have the same center

29
Q

Arc length

A

fraction of the circumference, length

30
Q

Sector of a circle

A

region bounded by an arc of the circle and two radii to the arcs endpoint

31
Q

Segment of a circle

A

part of a circle bounded by an arc and the segment joining its endpoints

32
Q

Geometric Probability

A

points on a segment or in a region of a plane represent outcomes and the geometric probability of a event is a ratio that involves geometric measures such as length or area

33
Q

Probability and Length

A

Point S is on segment AD is chosen at random. The probability that S is on segment BC (on AD) is the ratio of the length BC to the length of AD

34
Q

Probability and area

A

Point S in region R is chosen at random. The probability that S is in region N (in R) is that ratio of the area of region N to the area of region R

Geometry (16 decks)

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