**The perimeter of a semicircle is 4pi+8.the area of square**

28/01/2009 · can someone please help me with these questions ? 15. A surfboard is in the shape of a rectangle and semicircle. The perimeter is to be 4m. Find the …... 30/09/2009 · The area of a circle is pi R^2 so if the diameter is 12cm, the area of the circle will be 36pi sq cm. The area of a semicircle will be half that so it is 18pi sq cm. The circumference of a circle is 2piR so that is 12 pi cm. The curved part of the semicircle will be half the circle so that will be 6pi. You then need to add a diameter so the perimeter of the semicircle will be 6pi + 12 cm

**Calculus max/min problem 4? Yahoo Answers**

First find the circumference of the whole circle using Pi x diameter. Halve the answer and add the diameter. Thus: 3.1416 Ã 10 = 31.416 Ã· 2 + 10 = 25.708cm So the pe … rimeter of the semi-circle …... We have to find the maximum area of a semi-circle that has a perimeter of 8 km.The perimeter of a semicircle is equal to 2*r + pi*r where r is the radius. As the perimeter is 8 km, we get :8 = 2*r + pi*r=> r(2 + pi) = 8=> r = 8/(2 + pi)There is no need to use differentiation here. To obtain the maximum area all of the 8 km should be used and if the shape is being maintained as a semicircle

**Find the perimeter of a semicircle whose diameter is 17cm**

30/09/2009 · The area of a circle is pi R^2 so if the diameter is 12cm, the area of the circle will be 36pi sq cm. The area of a semicircle will be half that so it is 18pi sq cm. The circumference of a circle is 2piR so that is 12 pi cm. The curved part of the semicircle will be half the circle so that will be 6pi. You then need to add a diameter so the perimeter of the semicircle will be 6pi + 12 cm... 30/09/2009 · The area of a circle is pi R^2 so if the diameter is 12cm, the area of the circle will be 36pi sq cm. The area of a semicircle will be half that so it is 18pi sq cm. The circumference of a circle is 2piR so that is 12 pi cm. The curved part of the semicircle will be half the circle so that will be 6pi. You then need to add a diameter so the perimeter of the semicircle will be 6pi + 12 cm

**Area of an Ellipse- Math Fun Facts - Harvey Mudd College**

First find the circumference of the whole circle using Pi x diameter. Halve the answer and add the diameter. Thus: 3.1416 Ã 10 = 31.416 Ã· 2 + 10 = 25.708cm So the pe … rimeter of the semi-circle …... 20/07/2009 · Best Answer: the area of a circle is Pi* the radius squared. so the area of a semi circle is that divided by 2 or timed by 1/2. the perimeter of a circle is Pi* the diameter.

## How To Find The Perimeter Of A Semicircle Using Pi

### Find the perimeter of a semicircle whose diameter is 17cm

- Calculus max/min problem 4? Yahoo Answers
- Calculus max/min problem 4? Yahoo Answers
- How do you find the perimeter for a semi circle?
- Calculus max/min problem 4? Yahoo Answers

## How To Find The Perimeter Of A Semicircle Using Pi

### First find the perimeter of the semi circle = pi d divided by two Then subtract the 17 from 44 which is perimeter of the rectangle Now add the perimeter of the semicircle with the answer we just got

- A semicircle can be used to construct arithmetic and geometric means of two lengths using straight-edge and compass. If we make a semicircle with a diameter of a+b, then the length its radius is the arithmetic mean (since it's half of the diameter).
- Formula to find Perimeter of semicircle = pi x r (where r is radius of circle) So, pi x r =4pi + 8 => 3.14 x r = 4 x 3.14 + 8 => 3.14r = 12.56 + 8
- The perimeter of a circle is most commonly referred to as the circumference of a circle and we will use the word Now to calculate the circumference of the circle we multiply pi (∏) by the diameter (d) of the circle. ∏ is a fixed value equal to 3.14, or to be exact 3.1415926535897932384 but = 3.14 will do for our calculations. Calculating the circumference using diameter. We now know
- The perimeter of a semi circle, assumed to be half of a full circle is pi*r where pi and r are previously defined. If diameter is 7 find perimeter of semi circle? Pi …

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