INTRO TO SECTION 76

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INTRO TO SECTION 7-6
Please locate your 7-6 Study Guide, and read
through page 1. The plan is to get familiar with
all of those terms that theyve given you in this
action packed section! ?
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Lets do a quick check of page 1
circumference2?r or ?d
(?CPA is a Central Angle)
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This one is super
important!
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Some samples for you pay attention to what
exact means in this section ?
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A new formula for you!
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INTRO TO SECTION 7-6
A
Find this diagram at the middle of page 2 of your
Study Guide, then try to answer the three
problems.
40
B
O
6 mm
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INTRO TO SECTION 7-6
A

• Name a central angle
• What is the measure of arc
  AB?
• What is the length of arc AB?
• a)Exact answer b)to the nearest
  tenth

40
?AOB
40
B
O
40
6 mm
? 4.2 mm
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FYI When you are asked to SOLVE A CIRCLE
that will mean that I want you to label (in
degrees) any arcs or angles given with the circle
diagram
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PLEASE try to solve problems 1 and2 found at
the bottom of page 2 of your Study Guide!
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More sample problems 1) Please solve this
circle diagram. Given OP
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40
50
50
90
90
180
180
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2)
then give a specific CIRCLE name
40
50
50
90
180
180
90
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2
Also, give a specific name for that arc.
50, CENTRAL ANGLE 180, CENTRAL ANGLE 50, MINOR
ARC 40, MINOR ARC 180, SEMI-CIRCLE 140, MINOR
ARC 220, MAJOR ARC
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3)
Give exact answers.
a)
b)
c)
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3)
ARE YOU GIVING EXACT ANSWERS ?!
a)
?
?
?
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2)
BE SURE TO GIVE EXACT ANSWERS !!!
?
b)
?
?
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3)
BE SURE TO GIVE EXACT ANSWERS !!!
c)
?
?
?
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Yahoo!
Hopefully you did okay!
Depending on the time left, it might be a good
idea to get started on your homework assignment!