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1. ### If a 48 degree sector of a circle has an area of 239.65 units squared, what is the circumference of the circle?

A(sector) = ½θr², where: • r is the sector radius • θ is the sector's central angle (in radians) OR... A(sector) = θ/360(πr²), where: • r is the sector radius • θ is the...

1 Answers · Science & Mathematics · 14/12/2011

2. ### can anybody tell me how to calculate circumference of sector?

5 Answers · Science & Mathematics · 20/12/2008

3. ### Trig circle sectors? Finding arc length?

The area of a sector given the radius of the circle (r) and the angle that subtends the sector...

3 Answers · Science & Mathematics · 29/08/2010

4. ### A sector of a circle of radius 8cm has an angle of theta radians. The perimeter of the sector is 30cm?

Draw a circle. Show i) Sector containing angle theta, and label the radius 8 ii...circumference= 14/16(pi), or 7/(8pi) The area of the sector is thus 7/(8pi) of 64(pi) 7/(8pi) / 64pi =7/8pi...

1 Answers · Science & Mathematics · 27/04/2009

5. ### How to work out trigonometry question involving area of the sector?

... area is found by (pi).r^2 The desired sector sweeps 1.8 radians of a 2pi radians area, or (1.8)/(2pi...

2 Answers · Science & Mathematics · 30/03/2014

6. ### How was circular sector formula formed?

Divide the sector into a large number of parts so that each part is close to an...to the arc length and height equal to the radius of the circular sector. => area of the sector = (1/2) r * (sum of lengths of all arcs) = (1/2) r * rθ, where θ...

2 Answers · Science & Mathematics · 06/01/2009

7. ### how do u fiand the area of a sector?

Formula for area of sector is: area of sector / area of circle = angle of sector / 360 (which is angle...

4 Answers · Science & Mathematics · 07/02/2010

8. ### Circles, Arcs and sectors homework help?

...to solve this. the area of the circle is pi*r^2 and that the area of the sector is its angle measure divided by 360 times the area of...

5 Answers · Science & Mathematics · 06/10/2011

9. ### Find the area of a sector? Math!?

Sector arc-length = 20 cm radius, r = 10 cm Area of the sector = pi(r^2)*20 / 2pi*r Area = 10*r = 10*10 = 100 sq.cm >==========< ANSWER

1 Answers · Science & Mathematics · 03/08/2011

10. ### What is the difference between the public sector and the private sector? ?

Public sector comprises of companies or enterprises that are run...

1 Answers · Science & Mathematics · 27/02/2017