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1. How do I find the area of this sector?

Given a sector with a radius of r and subtended by an angle of θ (in radians), the...: A = (1/2)r^2θ. Since r = 23 and θ = 45° = π/4, the sector has area: A = (1/2)(23)^2(π/4) = 529π/8 cm^2. I hope...

3 Answers · Science & Mathematics · 05/09/2010

2. Perimeter of a sector in terms of pie?

A sector of angle 5π/12 radians is cut from a circle of radius 6 cm. ...

3 Answers · Science & Mathematics · 17/04/2010

...of of a circle is pi*r^2. By proportions, the area of a sector is (theta/2*pi)*pi*r^2 = r^2*theta/2 where theta is in radians...

1 Answers · Science & Mathematics · 16/09/2008

4. The "pepperoni" sector of a pizza has an area of 24πin^2.?

Sector area = 24 pi Total area = 64 pi . . . (pi r^2) Sector = 24/64 of total area = 3/8 3/8 * 360° = 135 degrees

1 Answers · Science & Mathematics · 14/04/2012

5. How to find the angle of shaded sector?

...would be: A = π * (5)^2 = 25π So the area of the shaded sector would be: A(t) = A(s) + A(u) → A(s) = A(t...

1 Answers · Science & Mathematics · 09/02/2011

6. Find the area of sector AOB - triangle AOB in this figure. O is the center of the circle, OB = 100m.?

Hi, Sector AOB has a 120 degree angle so is 1/3 of the circle. Its...

2 Answers · Science & Mathematics · 06/08/2013

7. why is the lateral area of a cone different from the area of a sector?

Your sector area formula is wrong, it should be theta/360 * pi*r^2. If you set ... in the same ratio to the radius of its base as the central angle of the sector is to the whole circle.

2 Answers · Science & Mathematics · 28/10/2010

8. Find the area of the sector. Leave answer in terms of 3.14 Radius=12. Central angle 30 degrees. Area=____ pi?

Ok, to find the area of a sector or part of your circle; you first must find the area of the entire thing...this by dividing 30 (the number of degrees of your sector), by 360 (the number of degrees in the circle). By ...

3 Answers · Science & Mathematics · 13/02/2017

9. area of a sector?

Area of circle = π x 55.5 ² cm ² Area of sector = (44.4 / 360) x π x 55.5 ² cm ² Area of sector = 1193 cm ² (to nearest whole number)

6 Answers · Science & Mathematics · 02/08/2007

10. What do you do when you're finding the perimeter and area of a sector?

...it is a circle , perimeter is the circumference. If it is a sector , then it is 2 X radius + length of the arc Radius = 8cm circumference...

2 Answers · Science & Mathematics · 02/08/2012