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1. ### A sector of a circle has an arc length 15.3em and an angle of 1.8 radians. Find the radius and area of the...?

...where θ is in radians 15.3 = r(1.8) 8.5 = r 3. Area sector = (measure of arc/2pi) * (pir^2) = 1.8/2pi * pi(8.5)^2...

2 Answers · Science & Mathematics · 13/07/2012

2. ### Area of a sector help...?

Sectors are a bit like triangles with altitude r and base rθ, the arc length...

2 Answers · Science & Mathematics · 11/01/2010

3. ### 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

4. ### Trig sectors ? Helpppppppppp pleasee?

Area of the sector = (Area of circle)*[(arc length)/Circumference] Arc length... of the sector = (pi*R^2)*[A/(2*pi*R)] Area of the sector = R*A/2 R = 2*(Area of the sector )/A R...

1 Answers · Science & Mathematics · 02/03/2010

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

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

6. ### Mathematics Question Concerning Cone & Sector ...?

When the sector is folded the sector arc length becomes the circumference of the...

4 Answers · Science & Mathematics · 27/07/2013

7. ### 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

8. ### 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

9. ### how to find the radius and angle of the sector ?

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

10. ### How many Sector in one mb?

A sector is 256 bytes. A megabyte (MB) is a memory space measure... show disc space allocated to files in sectors . Just remember that MPE/iX disc space is actually...

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