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Geometry~Circles: Arcs
供稿人: Crouch
What kind of angle is <DOC?
A
D
O
C
B

chord

inscribed

 central

Which is bigger a minor or major arc?

minor

 major

A
D
B
C

ACD

BC

CBD

Which is a

minor arc?

A
B

O

D
C

<BCO

<CAD

<DOC

Name a

inscribed

angle.

How many letters

do you need to name

a minor arc?

How many letters

do you need to

name a major arc?

If you are given the radius,

how do you find the diameter?

 half the radius

 double the radius

 radius and diameter are samthing

  I don't know

How many degrees

are there

is a circle?

The distance

halfway across

a circle is called

the________.

sector

Half a circle

 is also called a _______

angle

chord

semicircle

A
120'
B
C

What is the measure of

arc BC?

   60'

  50'

  180'

  120'

A
120'
B
C

What is the measure of

arc ACB?

   90'

  240'

  180'

  120'

A
20 inches
120'

What is the length of arc AB?

B
C
   30 inches

  7 inches

  21 inches

    60 inches

A

Is <DOC an obtuse angles?

O
B
D
C
A

Is <DOC an acute angles?

O
B
D
C
A
Name a pair of adjacent arcs.
O
B
D
C

   DA  &   CB

  BC  &  DC

   BA & CD

A
How many minor arcs are in the circle?
O
B
C

  5

  6

  7

  8

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