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1. ### HELP, MATHS, EP, PERIMETER OF A SECTOR ?

... on the 16 side, then its diameter would be 16, meaning that the perimeter of the circle would be P = pi * diameter = 50.24, but you want half of the perimeter of ...

2 Answers · Science & Mathematics · 19/09/2010

2. ### how to find perimeter of a sector ?

The perimeter of a sector is the sum of the arc length and two radii. If you ONLY...however, working backward from the answer: let x = degrees of vertex angle of sector arc length = (x/360)(2π*11) = 73.8 - 22 x ≈ 269.8º this is the...

3 Answers · Education & Reference · 06/07/2013

3. ### How would you find the perimeter of a sector ?

... are 360 degrees total in a circle, so the curved part of the sector is 80/360 of the circumference. In...cm. Therefore, we can get the full perimeter of the sector by adding up the ...

1 Answers · Science & Mathematics · 06/11/2010

4. ### Perimeter of a sector of a circle???

... sector includes the arc AND the sides. Imagine a slice of pizza as a sector . The perimeter includes both the crust and the two cut edges.

3 Answers · Education & Reference · 25/07/2007

5. ### The perimeter of a sector is 16 cm, the area is 15 cm^2. Find r and s?

I suppose " sector " is the part of a circle like the part of a pizza, ok? well, then we have p = 16... of equation 2r² - pr + 2a = 0 with the values of a and p, we get 2r² - 16r + 2 * 15 = 0 r² -8r...

1 Answers · Science & Mathematics · 12/01/2013

6. ### Help with perimeter of a sector ?

... you are looking at 1/3 of a circle. To calculate the perimeter of a circle you use: P = 2 * Pi * r in which 'r' is the radius...

2 Answers · Science & Mathematics · 02/06/2012

7. ### find perimeter of a sector ?

70º is 70/360 = 7/36 of the full circle so its arc length is 7/36 of the whole circumference, which is 10π. So 7/36 • 10π = 70π/36 or 35π/18, plus the two radii of 5 each, gives a perimeter of 10 + 35π/18 cm.

1 Answers · Education & Reference · 04/01/2012

8. ### Perimeter of a sector in terms of pie?

A sector of angle 5π/12 radians is cut from a circle of radius 6 cm. For the full circle, the angle is 2π radians and the perimeter is the circumference which is 2πr, i.e...

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

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

...the total distance around the two dimensional figure. If 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 X 3.14 X 8 = 50.24 cm...

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

10. ### Help with math please, perimeter and area of a sector !?

perimeter of a sector is 2r + r * theta = 40 r theta = 40-2r theta =(40-2r)/r A =theta/2 * r^2 A [r]=(40-2r)/2r * r^2 = (40-2r)r/2=20r-r^2 A '[r]=20-2r=0 r=10

2 Answers · Science & Mathematics · 18/03/2012