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1. a sector has a perimeter of 12cm and area 8 cm squared ; What is its radius?

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. i need help with area of sectors ?

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. Find the area of a circular sector ?

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. what is actuary's related industry sector (s)?

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. How do you solve this sector area question?

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. Find the maximum possible area of a sector with a perimeter of 20?

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. a sector of a circle with radius 5cm and an angle of pi/3 subtended at the centre is cut out of cardboard...?

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

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

8. Find the area of a sector with a central angle of (2pi/15) and a radius of 18.8 m. Help!?

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. ?

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 sectors ..?

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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