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1. Find the area of a sector of a circle of radius 1 foot swept by the angle 2pi/7.?

The area of a sector of circle of radius R swept by a central angle Θ (in radians... πR². Notice that the ratio gives the above formula A = πR²/(2π/Θ) = ½ R²Θ. Now...

5 Answers · Science & Mathematics · 18/02/2012

2. Area of a segment of a circle ?

...proportional to the ratio of its angular measure to the entire angular measure of the circle . Letting the area of the sector be a , then a = (80/360) A , where A is the area of the circle . ...

2 Answers · Education & Reference · 21/08/2011

3. how do you find the area of a sector of a circle when the angle is 135 degrees and the radius is 10?

...but the whole thing is 360. 135 / 360 = 3 / 8 = 0.375 So, find 3 / 8 of the total circle to find the sector area . 100 * (pi) * (3 / 8) = 37.5 * (pi) If you don't want to leave...

2 Answers · Education & Reference · 02/08/2008

4. How do you find out the sector of a circle .?

Hmm sectors , huh? Well heres an example: Find the area of one-fourth of a circle that has a radius of 2.2 inches. Since the area of a Circle ...

2 Answers · Education & Reference · 08/05/2007

5. how to find the radius with the area of a sector of a circle ?

...3) so you multiply your area (12π) by 3 to get the total area of the circle Area of circle equals 12π x 3 = 36π now you know from elementary school that a circle 's area is πr^2 so πr^2=36π divide both sides by π...

4 Answers · Science & Mathematics · 15/11/2010

6. Comparing the area of two sectors of a circle ?

... to be brain-dead. So the above answer isn't legit. The area of one sector is: (angle/360) * pi * r^2 and the second is: (angle/360...

1 Answers · Science & Mathematics · 10/05/2010

7. Find the area of a sector ?

...it is a fraction of a complete circle . You need to find the fraction of a circle . It is 34 / 360 (based on the angle). So the area of this sector is: 34 / 360 x pi x r^2 = 34 / 360 x 3.1416 x 5 ^ 2 = 7.42 cm(...

6 Answers · Science & Mathematics · 20/04/2008

8. TRIG: FIND THE AREA OF A SECTOR !?

...this. First method: (By formula) Note that the formula for the area of a sector is 1/2 * r^2 * theta, where r is the radius of the circle (which is 4m in this case) and theta is the angle formed by the...

1 Answers · Science & Mathematics · 03/07/2013

9. Goat problem! (involving area of a circle )?

...equation simply makes use of the Law of Cosines to determine a couple of angles, in which one circle sector is added to another, minus a redundant triangle (where the circle sectors ...

4 Answers · Science & Mathematics · 19/01/2008

10. area of a sector of a circle help?

23 degrees 12 minutes = 23.2° Area = (23.2/360) π (5.9²) cm² Area = 7.05 cm²

3 Answers · Science & Mathematics · 17/07/2008