**Example Determine Perimeter Involving a Rectangle and**

4/05/2009Â Â· Best Answer: Edit, and of course I didn't pay attention where you said you needed the length of the perimeter of the secotr, not the area, ok. Assume s=perimeter of sector s= Î¸*r where Î¸ is in radians r=18 Î¸=120Â°, 120 * Ï€/180 Î¸=2Ï€/3 s=2Ï€/3 * 18 s=12Ï€ area of a sector = (1/2)Î¸r^2 where Î¸ is in... Video: Combined Figures: Perimeter, we need to figure them out. To find the length of some sides, we can look at the other sides to see if we can calculate them. For example, for our shape, we

**Calculating the Perimeter of a Quarter Circle YouTube**

16/05/2009Â Â· Best Answer: full circle (360 degrees) sector (40degrees) is 40/360 of the full one(1/9) 2xpixr x1/9 pixr^2 x1/9 You need to work out the fraction of the area/perimeter which is contained in the sector. This is, handily, the ratio of the angle at the centre of the sector to the full angle (360 degrees). i.e. if P=perimeter of... 9/09/2018Â Â· This video will explain how to calculate the perimeter of a quarter circle.

**Help with finding a sector of a circle please help me**

Video: Combined Figures: Perimeter, we need to figure them out. To find the length of some sides, we can look at the other sides to see if we can calculate them. For example, for our shape, we... 4/05/2009Â Â· Best Answer: Edit, and of course I didn't pay attention where you said you needed the length of the perimeter of the secotr, not the area, ok. Assume s=perimeter of sector s= Î¸*r where Î¸ is in radians r=18 Î¸=120Â°, 120 * Ï€/180 Î¸=2Ï€/3 s=2Ï€/3 * 18 s=12Ï€ area of a sector = (1/2)Î¸r^2 where Î¸ is in

**Example Determine Perimeter Involving a Rectangle and**

Video: Combined Figures: Perimeter, we need to figure them out. To find the length of some sides, we can look at the other sides to see if we can calculate them. For example, for our shape, we... The formula for the perimeter of a square is the sum of all sides. Since all sides are 7 inches, the perimeter is 7 + 7 + 7 + 7, or 28 inches. The area of the square is reported in square inches because inches are multiplied by inches to yield square inches.

## Explain How To Work Out The Perimeter Of A Sector

### Calculating the Perimeter of a Quarter Circle YouTube

- Perimeter of a sector of a circle? Yahoo Answers
- Calculating the Perimeter of a Quarter Circle YouTube
- Perimeter of QuadrilateralFind Perimeter of the
- Example Determine Perimeter Involving a Rectangle and

## Explain How To Work Out The Perimeter Of A Sector

### The formula for the perimeter of a square is the sum of all sides. Since all sides are 7 inches, the perimeter is 7 + 7 + 7 + 7, or 28 inches. The area of the square is reported in square inches because inches are multiplied by inches to yield square inches.

- 20/02/2012Â Â· PLEASE explain all of this (why you add here, why you need this formula etc). Many thanks. (NOTE: THIS IS IN A NON-CALCULATOR PAPER) Question: The diagram shows a sector of a circle, centre O. The radius of the circle is 6cm. Angle AOB = 120 degrees. Work out the perimeter of the sector. Give your answer...
- 14/05/2018Â Â· This question uses the concept of circumference rather than area, so be sure to read about calculating the circumference of a circle. To find the radius from the perimeter, you need to know that the perimeter (also called "circumference" when talking about a full circle) of a full circle is given by 2*pi*r.
- The formula for the perimeter of a square is the sum of all sides. Since all sides are 7 inches, the perimeter is 7 + 7 + 7 + 7, or 28 inches. The area of the square is reported in square inches because inches are multiplied by inches to yield square inches.
- 14/05/2018Â Â· This question uses the concept of circumference rather than area, so be sure to read about calculating the circumference of a circle. To find the radius from the perimeter, you need to know that the perimeter (also called "circumference" when talking about a full circle) of a full circle is given by 2*pi*r.

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