Cylinder dia : 43cm

cylinder length : 109cm

cylinder circumperance : 142 cm.

Please answer me the capacity in litter of Air.

Volume of a cylinder = height time Pi r squared

dia = 43cm so radius = 21.5cm

so 109 x 3.14 x 21.5squared = 158209.69 cubic cm

1 cubic cm = 0.001 litre

so 158.20969 litres

with a more correct value for Pi is actually 158.28993 Litres

Posted on Jun 29, 2008

Make sure all the units match first (I.e. cm's are the unit for the room size?). Divide both the room width and length by 72 cm, round off to only whole numbers (no decimal points) and then multiply the two answers to get the final answer. This assumes that only full tables count (no fractional table parts).

Dec 04, 2014 | Calculators

You give only two values for the dimensions, so it must be a cylinder with a radius r=230/2 mm= 115 mm= 11.5 cm

and a height of h= 450 mm =45 cm

The volume for your right circular cylinder is V=PI*(r^2)*h=PI*(11.5^2)*45 cm^3=?

Divide the result by 1000 to convert the volume to liters (1 L =1000 mL=1000 cm^3)

and a height of h= 450 mm =45 cm

The volume for your right circular cylinder is V=PI*(r^2)*h=PI*(11.5^2)*45 cm^3=?

Divide the result by 1000 to convert the volume to liters (1 L =1000 mL=1000 cm^3)

Jul 03, 2014 | Calculators

Find the scaling ratio

Perimeter of first pentagon is 12*5=60 cm

Scale factor (2nd/first)=140/60 =7/3

**Ratio of areas varies as the square of the scale factor for the lengths**

Area of second / area of first =(7/3)^2 =49/9

Area of second pentagon =**248 *(49/9) cm^2**

Finish the calculation.

Perimeter of first pentagon is 12*5=60 cm

Scale factor (2nd/first)=140/60 =7/3

Area of second / area of first =(7/3)^2 =49/9

Area of second pentagon =

Finish the calculation.

Jul 01, 2014 | Texas Instruments TI-83 Plus Calculator

The two pentagons are similar. If k is the scale factor for the lengths, the ratio of the areas is k^2.

Pent 1 side =12 cm

Pent 2 side =140/5 =28 cm

Scale factor (larger over smaller) is k=28/12=7/3

Area of Pent_2= (49/9)*Area of Pent_1

Your answer should be C.

Pent 1 side =12 cm

Pent 2 side =140/5 =28 cm

Scale factor (larger over smaller) is k=28/12=7/3

Area of Pent_2= (49/9)*Area of Pent_1

Your answer should be C.

Jun 29, 2014 | Calculators

Volume of right cylinder is

V=(Area of base)*height.

If cylinder is circular Area of base =PI*radius^2=Pi*r^2

Volume is**V=Pi*(8^2)*6 cm^2**

Finish the calculation.

V=(Area of base)*height.

If cylinder is circular Area of base =PI*radius^2=Pi*r^2

Volume is

Finish the calculation.

Jun 28, 2014 | Calculators

Volume of right cylinder is

V=(Area of base)*height.

If cylinder is circular Area of base =PI*radius^2=Pi*r^2

Volume is**V=Pi*(8^2)*6 cm^2**

Finish the calculation.

V=(Area of base)*height.

If cylinder is circular Area of base =PI*radius^2=Pi*r^2

Volume is

Finish the calculation.

Jun 28, 2014 | Casio MS-80TE Calculator

volume is calculated by finding the area multiplied by the length or height . That is Pi X radius squared X length

example --tube 6"dia 12"long what is the volume?

Example 3.1417 X radius 3" Squared =3.1417X9sq " = 28.2740sq" X length 12" =338.688 cubic"

If you want the volume of an engine cylinder , it is the same formula and the length is the stroke of the piston ( distance from TDC to BDC )

example --tube 6"dia 12"long what is the volume?

Example 3.1417 X radius 3" Squared =3.1417X9sq " = 28.2740sq" X length 12" =338.688 cubic"

If you want the volume of an engine cylinder , it is the same formula and the length is the stroke of the piston ( distance from TDC to BDC )

May 20, 2014 | Calculators

Yes, there is shortcut because this is right triangle, so you can use Pythagorean theorem (see picture).

If this was helpful please rate 4 thumbs :)

- Length of hypotenuse is square root of sum of squares of lengths of other two sides of triangle, which is equal to square root of 30^2+10^2=31.6 cm.
- Sin(a)=longer cathetus/hypotenuse=0.949 so a=arcsin(0.949)=71.6 degrees
- Finally b=90-a=18.4 degrees.

If this was helpful please rate 4 thumbs :)

Sep 05, 2011 | Texas Instruments TI-30XA Calculator

When you have to deal with problems of this sort, you usually are given recipes or mathematical formulas which you apply to find the result. It so happens that for the volumes of cylinders, the formula to use is

Volume = Area of the base times the height=Ab*h

If the cylinder is circular, then the area of the base is that of a disk, Ab=PI*r^2`where r is the radius.

In your case, you are given the diameter (twice the radius) and the height.

Volume =PI*h*(6.2/2)^2, the unit being cm^2

To type in the value of PI, press [2nd] [^] (the latter is key under CLEAR, and above the division sign.

To raise a number to power 2 (to square it), use the key marked x with a superscript 2, or x with a raised 2.

After you have typed in all necessary ingredients in the formula, press the [ENTER] key and the calculator will give you the result.

Now, it is your turn to do some mathematics.

Volume = Area of the base times the height=Ab*h

If the cylinder is circular, then the area of the base is that of a disk, Ab=PI*r^2`where r is the radius.

In your case, you are given the diameter (twice the radius) and the height.

Volume =PI*h*(6.2/2)^2, the unit being cm^2

To type in the value of PI, press [2nd] [^] (the latter is key under CLEAR, and above the division sign.

To raise a number to power 2 (to square it), use the key marked x with a superscript 2, or x with a raised 2.

After you have typed in all necessary ingredients in the formula, press the [ENTER] key and the calculator will give you the result.

Now, it is your turn to do some mathematics.

Jun 16, 2011 | Texas Instruments TI-84 Plus Calculator

go to www.arachnoid.com and you will find a solution for this and many othe problems!

May 23, 2008 | Texas Instruments TI-89 Calculator

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