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1. How can I compute the area of a sector in an ellipse?

...1 + ( a /b)² u²) = ab/2 atan(( a /b) u) = ab/2 atan(( a /b) tan(θ)) now apply your limits as needed from θ1 to θ2 being cautious about the correct branch of the atan. Answer: see above

3 Answers · Science & Mathematics · 24/06/2009

2. Finding radius of a circle given the perimeter and the area .?

The area of a sector is (θ/2) r^2. So 48 = (θ/2) r^2. The arc length of a ...

3 Answers · Science & Mathematics · 16/08/2009

3. If the perimeter of a sector is 114mts, then its area is--------?

...tell if you mean a sector as in part of a circle (which would have the shape of a piece of pie) or a sector as in part of a parcel of land which maybe then could be assumed to be rectangular...

2 Answers · Science & Mathematics · 04/06/2008

4. what is the area of a sector of a circle that has a diameter of 10in. If the length of the arc is 10in.?

...arc = 10 in 2πrθ/360° = 10 10πθ = 3600 ° πθ = 360° θ = (360/π)° -------- (1) Area of sector = πr^2θ/360° = 25πθ/360° = 25*360/360 (...

6 Answers · Science & Mathematics · 17/02/2008

5. Math Circle problem ??

. Area of a sector is given as follows: A = ( θ/360° )πr² A = ( 130°/360°) * π * ( 7.2 )² A = 18.72π square units A = 58.81 square units ━━━━━━━━━━

4 Answers · Science & Mathematics · 16/06/2019

6. Radians help( Sector area )?

Dude...it's spelled pi, not pie. Since pi/2 is the same as 90 degrees, they are looking for 1/4 of the area of the full circle: area of sector = (1/4)225pi = (225/4)pi = 56.25pi = 176.7145868 square inches

2 Answers · Science & Mathematics · 27/02/2014

7. This math problem is very hard, if you can do it please try and show your work?

... like 60° + 60° = 120° (hard to read) = ⅔π radians Area of a sector AOB A = ½θr² r² = 2A/θ ...

2 Answers · Science & Mathematics · 29/11/2016

8. Can you tell me the answer for this question together with the process?

A = [ 4 / 2π ] [ 800 ] m² = 1600 / π m² = 509•3 m²

1 Answers · Science & Mathematics · 03/02/2016

9. What is the area of this circular sector ? GRADE 8?

15 degrees is 15/360 of a whole circle 15/360 = 1/24 so if the whole circle has 144*pi cm^2 then 15 degree is 1/24 * 144pi = 6*pi cm^2

1 Answers · Science & Mathematics · 27/01/2014

10. Find the area of the sector in a circle with radius of 6 cm and a central angle of 90°??

Area A = π r² ......radius r = 6 cm ...... A = π (6 cm)² ...... A ...

5 Answers · Science & Mathematics · 16/06/2019