Notes Over Circles Parts of a Circle Circumference Radius

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Presentation transcript:

Notes Over 9 - 6 Circles Parts of a Circle Circumference Radius Diameter Chord

Notes Over 9 - 6 Circles Circumference = p d 3.1

Notes Over 9 - 6 Circles Circumference = p d 5

Notes Over 9 - 6 Circles Circumference = p d

Notes Over 9 - 6 Circles Circumference = p d 1.7

Notes Over 9 - 6 Circles 5. At the spring dance, there were 120 freshman, 82 sophomores, 137 juniors, and 101 seniors. Draw a circle graph of the data.

Notes Over 9 - 6 Circles 5. At the spring dance, there were 120 freshman, 82 sophomores, 137 juniors, and 101 seniors. Draw a circle graph of the data.

Notes Over 9 - 6 Circles 5. At the spring dance, there were 120 freshman, 82 sophomores, 137 juniors, and 101 seniors. Draw a circle graph of the data.

Notes Over 9 - 6 Circles 5. At the spring dance, there were 120 freshman, 82 sophomores, 137 juniors, and 101 seniors. Draw a circle graph of the data.

Notes Over 9 - 6 Circles 5. At the spring dance, there were 120 freshman, 82 sophomores, 137 juniors, and 101 seniors. Draw a circle graph of the data. sophomores freshman juniors seniors

Which section of the graph represents rent? Pg 472 9 – 6 #1 – 11, 12 – 22 Use the graph at the right. A B C D E 1. Nancy spends a third of her salary on rent, a fifth on utilities, a fourth on food, 5% on transportation, and she saves a sixth. Which section of the graph represents rent? A C Utilities? D Food? E Transportation? B Savings?

Pg 472 9 – 6 #1 – 11, 12 – 22 2. radius = 3.5 cm Circumference = p d Find the circumference of each circle with the given radius or diameter. Circumference = p d 2. radius = 3.5 cm 3.5

Pg 472 9 – 6 #1 – 11, 12 – 22 3. diameter = 100 in Circumference = p d Find the circumference of each circle with the given radius or diameter. Circumference = p d 3. diameter = 100 in 100

Pg 472 9 – 6 #1 – 11, 12 – 22 4. radius = 4 2/3 m Circumference = p d Find the circumference of each circle with the given radius or diameter. Circumference = p d 4. radius = 4 2/3 m 4 2/3

Pg 472 9 – 6 #1 – 11, 12 – 22 5. diameter = 0.1 m Circumference = p d Find the circumference of each circle with the given radius or diameter. Circumference = p d 5. diameter = 0.1 m 0.1

Pg 472 9 – 6 #1 – 11, 12 – 22 6. radius = 18 in Circumference = p d Find the circumference of each circle with the given radius or diameter. Circumference = p d 6. radius = 18 in 18

Pg 472 9 – 6 #1 – 11, 12 – 22 7. diameter = 2 mi Circumference = p d Find the circumference of each circle with the given radius or diameter. Circumference = p d 7. diameter = 2 mi 2

Pg 472 9 – 6 #1 – 11, 12 – 22 8. 35% 9. 50% Central Angle = % (360) Find the measures of the central angles that you would draw to represent each percent in a circle graph. Round to the nearest degree. 8. 35% Central Angle = % (360) 9. 50%

Pg 472 9 – 6 #1 – 11, 12 – 22 10. 30% 11. 1% Central Angle = % (360) Find the measures of the central angles that you would draw to represent each percent in a circle graph. Round to the nearest degree. 10. 30% Central Angle = % (360) 11. 1%

Pg 472 9 – 6 #1 – 11, 12 – 22