# Surface area Dia of Elbow : 200mm Degrees: 90 Radius: 750mm What is surface area: ?

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• Gary Davd May 11, 2010

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Amen!

Posted on Jan 27, 2008

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Posted on Jan 02, 2017

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## Related Questions:

### The radius of a circle is 3 centimeters. What is the length of a 90° arc?

circumference is pye times twice the radius or by the diameter
3.1417 X 6 ( diameter or 2 times the radius )= 18.8496
90 degrees is 1/4 of the circumference
18.8496 divided by 4 = 4.7124 cms
arc of 90 degrees =4.74124 cms

May 02, 2017 | The Computers & Internet

### 13 inch round pan 2 inches deep =how many cubic inches

You can view this question as what is the surface area of the 13 inch round pan, and then with it being 2 inches deep, calculate the volume.

Surface area = pi * r ^ 2, where r is the radius of the pan
In this case, the diameter is 13 inches, so the radius will be 6.5 inches.

Putting it into the formula, we get surface area = pi * 6.5 ^ 2.

Because of BEDMAS, we have to do the square before we multiply.

Surface area = pi * (6.5 ^ 2)
= 132.7square inches.

To get the volume, we multiply this surface area by the depth of 2 inches.

Volume = surface area * height
Volume = 132.7 * 2
Volume = 265.4 cubic inches.

Good luck,

Paul

Nov 02, 2016 | Office Equipment & Supplies

### What is the effective area of the master cylinder hydraulic piston

surface area
3.1416 times the radius of the piston squared
so for example if it is a 1" dia piston
that would make it 3.1416 multiplied by .5"squared which is .25" 3.1416 X .25 =.7854 square inches

Sep 13, 2016 | 2007 Bajaj Pulsar 220 DTSFi

### X-sectional area of a power cable is 1000 sq mm-how can i understand?

This is a common way of specifying an electrical conductor. The wire is almost certainly round, and may have more than one strand.

XSA = PI * R^2 where R is radius, so a single strand of that XSA is 17.8 mm radius or 35.6 mm dia.

If the conductor has 10 strands, each is 100 sq mm and therefore 5.6 mm radius or 11.2 mm dia.
.

Nov 26, 2015 | Cars & Trucks

### What is the area of a circle if the circumference is 2 pi inches

area formula is PI x r squared
that is 3.1417 times the radius of the circle squared
example is:- 3.1417 times 3 inches squared =3.1417 times 3x3=3.1417x9=28.279 square inches if you want to work back from a circumference measurement, the formula for circumference is 2 x PI x radius or PI x diameter
if you have a circumference of 12 inches then the dia is calculated 12 inches = dia x PI to get the diameter , divide the 12 inches by PI and that will be the diameter so that is 12 divided by 3.1417 =3.819 inches
now you can go from the first formula the radius is the diameter divided by 2 so the radius will be 3.819 divided by 2 = 1.909 inches
so applying the area formula it becomes 3.1417 times 1.909 times 1.909 =11.458 square inches
to find your answer simply substitute the dimensions in place of the example figures.in the relevant formula.

Aug 24, 2015 | Office Equipment & Supplies

### Whats the circumfrence and radius of a circle

Circumf = PI x Dia

Radius = 0.5 x Dia = Circumf / (2 x PI)

Jun 10, 2014 | Computers & Internet

### Surface area of cylinder

To find the surface area of a cylinder add the surface area of each end plus the surface area of the side. Each end is a circle so the surface area of each end is ? * r2, where r is the radius of the end. There are two ends so their combinded surface area is 2 ? * r2. The surface area of the side is the circumference times the height or 2 ? * r * h, where r is the radius and h is the height of the side.
The entire formula for the surface area of a cylinder is 2 ? r2 + 2 ? r h

Apr 08, 2014 | ixl.com

### What is the math definition for area?

Area - The size of a surface

Specific

Square
Area = Side x Side

Rectangle
Area = Length x Width

Triangle
Area = Base x Height (cut the answer in half and that is your area)

Parallelogram
Area = Base x Height

Circle

Aug 30, 2011 | Computers & Internet

### A pizza is divided into 8 equal parts. what is the area of one slice if its radius is 6 inches?

Hello and Welcome to FixYa!
Area of pizza (Combined Bread + Crust) = Area=pie * (radius)^2. If divided in 8 equal parts, Area of 1 piece=Area/8.
Area= 3.1415* (0.1524)^2 Area of 1 slice= Area/8 Concerned.

Jun 28, 2011 | Computers & Internet

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