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  1. P(sector) = 2r + (a/2 pi) C = 2r + (a/2 pi)(2 pi r) = r(a + 2) where r is...a is angle (radians), C is circle circumference A(sector) = (a/2 pi) A(circle) = (a/2 pi)(pi r^2) = (a/2) r^2 Using the above...

    3 Answers · Science & Mathematics · 11/08/2006

  2. ...the minor arc PQ intersects OX. Using t for theta: Sector OPQ = (1/2)r^2 (2t) = r^2 t Triangle OPQ = (1/2)r...

    1 Answers · Science & Mathematics · 06/02/2008

  3. I think by "sector of a circle" you mean a wedge, formed by two radii from the center of..., there are 360 degrees in a circle. Now, let's make a sector, by taking that radius and rotating it 90 degrees. You...

    3 Answers · Science & Mathematics · 05/12/2008

  4. is it sectors or segment are you asking? Coz your...cm Perimeter = 4.887 + 4.589 = 9.476 cm (if you want sector perimeter, replace the chord length by 2r) (b) Area of major...

    1 Answers · Science & Mathematics · 01/10/2009

  5. A "sector" of a circle is a piece cut out by the angle at the center between the two...

    3 Answers · Science & Mathematics · 24/09/2009

  6. The area of a circular sector with radius r and central angle θ (in radians) is given by...8.4 cm)² = 70.56 cm² ≈ 221.7 cm² The area of the sector is 27.6 cm², which is 27.6/221.7 ≈ 0.1245 of the circle, or...

    2 Answers · Science & Mathematics · 09/01/2013

  7. I googled sector and I got Sector may refer to[edit] PlacesSector... of America [edit] In computingCylinder-head-sector (or "CHS"), an early method for giving addresses to...

    1 Answers · Science & Mathematics · 14/08/2012

  8. A sector is a wedge (pie slice). The perimeter consists of 2 radii...2 + Θ) Where Θ is the angle describing the sector (Θ is in radians). You also know that the area of...

    4 Answers · Science & Mathematics · 17/12/2006

  9. Hi, To have a sector with a perimeter of 20, then 2 radii and the arc which is the ...up "2r" in length, leaving 20 - 2r as the length of the arc along the sector. Since the circumference of the entire circle is C = 2πr and the...

    2 Answers · Science & Mathematics · 11/09/2007

  10. ... assume you are finding the area of the sector. To find the area of a sector, you find the area of the..., then to find what part of a circle you have in the sector, you'd have to divide (π/3)/(2π) since there are...

    1 Answers · Science & Mathematics · 24/09/2007

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