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  1. 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

  2. Area of sector is given by (1/2) r^2 θ, where r is radius and θ is... 120 degrees = 120*π/180 = 2π/3 radians area of sector = (1/2)(4^2)2π/3 = 16π/3 sq. units

    2 Answers · Science & Mathematics · 01/08/2010

  3. Area of sector = (1/2) r² θ ,where θ should always be in radians and r is...1/2) (10)² (1) =>50 m² <-- 2. Area of sector = (1/2) r² θ = 16 =>(1/2)(r²)(2) = 16 =>r² =16...

    3 Answers · Science & Mathematics · 03/10/2012

  4. Insurance, baby. They are the predictors of trends. A sector is a "section" of industry, like the Automotive Sector ...the Steel Sector , etc...

    2 Answers · Science & Mathematics · 07/08/2007

  5. area of sector = ø/360 × πr² = 21 (ø/360 × πr) × r = 21 (ø/360 × πr) = 21/r (ø/360 × πr) × 2 = 42/r perimeter of sector = ø/360 × 2πr + 2r = 20 42/r + 2r = 20 21/r + r = 10 21 + r²...

    2 Answers · Science & Mathematics · 17/11/2012

  6. 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

  7. When the sector is reformed into a cone, the radius (5cm) of the sector becomes...

    1 Answers · Science & Mathematics · 03/07/2009

  8. For a sector of theta radians in a circle of radius r, the area A is: ...in one revolution. Thus, from the area pi r^2 of the circle, the area of a sector subtending theta at the centre is: (theta / 2pi)(pi r^2...

    1 Answers · Science & Mathematics · 12/02/2010

  9. The area of a sector of a circle with a radius of 15 cm is 75pi cm^2. ? Total circle ...

    11 Answers · Science & Mathematics · 28/05/2020

  10. Area of sector /central angle = area of circle/360 If you plug in the numbers, you find that the area of the circle is 5pi. Area of a circle is pi* r squared So the radius is sqrt 5

    1 Answers · Science & Mathematics · 08/04/2008

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