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Qwerty90

  • 4 years ago

Is this right? I had to find the interior and arc length of a pizza I created with a diameter of 14 inches. Solved for the Pizza with 8 slices C= pi x d or C= pi x 14= 44 Circumference is 44 inches 44/8= 5.5 inches divided into 8 pieces 360/8= 45 Each angle is 45 degrees 45/360= 1/8 45/360(pd) 45/360 (px14) 0.125(14)(p) 1.75(pi)= 5.49 which rounds to 5.5 The interior angle is 45 degrees and the arc length is 5.5inches. Area for 8 sliced pizza Area of whole circle divided by 8 A= pi x r2/8 A= pi x 142/8 or = pi x 196/8 A= pi x 24.5= 77.07 in2

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  1. Qwerty90
    • 4 years ago
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    I meatnt to say "interior angle"

  2. sheena101
    • 4 years ago
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    yes that looks correct :)

  3. Qwerty90
    • 4 years ago
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    Thanks! anyone else care to comment?

  4. Callisto
    • 4 years ago
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    C= pi x d or C= pi x 14= 44 Circumference is 44 inches 44/8= 5.5 inches divided into 8 pieces 360/8= 45 Each angle is 45 degrees ^ correct

  5. Qwerty90
    • 4 years ago
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    gotcha. Thanks!

  6. Callisto
    • 4 years ago
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    45/360= 1/8 45/360(pd) 45/360 (px14) 0.125(14)(p) 1.75(pi)= 5.49 which rounds to 5.5 ^ no need you found that before

  7. Callisto
    • 4 years ago
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    A= pi x r2/8 A= pi x 142/8 or = pi x 196/8 A= pi x 24.5= 77.07 in2 ^ incorrect

  8. Callisto
    • 4 years ago
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    14 is the diameter radius = diameter/2 = 14/2 =7

  9. Qwerty90
    • 4 years ago
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    Ohhh crud I see what you mean now

  10. Callisto
    • 4 years ago
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    area of each slice\[\pi r ^{2} /8\] = π(7)^2 /8 = 19.25

  11. Qwerty90
    • 4 years ago
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    wouldn't it be 19.24? there is only a 2 after the 4

  12. Callisto
    • 4 years ago
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    22/7 x 7x7 /8 = 22x7/8 = 19.25

  13. Qwerty90
    • 4 years ago
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    ohhh. I/m using he number pi not the fraction

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