Question about Texas Instruments TI-30 XIIS Calculator

The simple way with any calculator is to multiply your result by (pi/180) because degrees/360=radians/(2*pi)

Posted on Mar 17, 2011

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Posted on Jan 02, 2017

Assume the central angle is 35 degrees and the radius is 1.

The circumference of the whole circle is 2 x pi x radius. Since the radius is 1, the circumference will be 2 x pi.

Now a full circle is 360 degrees.

Now we can set up a ratio of 35 degrees is to 360 degree as x is to 2pi.

35 x

---- = -------

360 2xpi

Cross-multiply and isolate your variable.

Good luck.

Paul

The circumference of the whole circle is 2 x pi x radius. Since the radius is 1, the circumference will be 2 x pi.

Now a full circle is 360 degrees.

Now we can set up a ratio of 35 degrees is to 360 degree as x is to 2pi.

35 x

---- = -------

360 2xpi

Cross-multiply and isolate your variable.

Good luck.

Paul

Mar 25, 2015 | Office Equipment & Supplies

It should be able to be accomplished by using an adjustable 90 degree elbow you can buy at a local HomeDepot or Lowes. The elbow should be 4" four piece adjustable ell. The radius of the ell should match perfectly with the knockout on the bottom when slipped over the discharge opening of the dryer.

Mar 04, 2015 | Fisher and Paykel Dryers

The radius or the volume of the space?

Feb 07, 2015 | Miscellaneous

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 | Office Equipment & Supplies

I will not try to guess what that diameter represents, so I will give you all mensuration formulas for the area of a regular polygon.

**s** is the measure of the side,** r** the radius of the inscribed circle, **R** the radius of the circumscribed circle, and **n** the number of sides.

If the angle unit in your calculator is the degree, use 180 instead of Pi. Use the formulas with PI if angle unit is set to radians.

In the formulas on the last line of the display screen (the formulas with sine functions) the radius r should be R (circumscribed circle radius). cot is the reciprocal of the tangent function**(cot(x)=1/tan(x) )**

If the angle unit in your calculator is the degree, use 180 instead of Pi. Use the formulas with PI if angle unit is set to radians.

In the formulas on the last line of the display screen (the formulas with sine functions) the radius r should be R (circumscribed circle radius). cot is the reciprocal of the tangent function

Apr 14, 2014 | Office Equipment & Supplies

a. radius is 7 inches and circumference is 43.96 inches.

Apr 03, 2014 | Office Equipment & Supplies

Hi,

Radius SP50? Are you referring to a Motorola branded radio or other?

reply and I may have the answer, if I don't, I know people who will have answers.

awaiting your reply

Peter

Radius SP50? Are you referring to a Motorola branded radio or other?

reply and I may have the answer, if I don't, I know people who will have answers.

awaiting your reply

Peter

Feb 18, 2013 | Radio Communications

Convert the Cartesian coordinates to polar coordinates (r, Theta). The calculator can do that. Press the SHIFT [+] key combination. Calculator will display Pol(. Type in the Cartesian coordinates (x,y), close the right parenthesis and press [=]. The calculator will display the radius r and the angle theta.

If you want to convert from polar to Cartesian coordinates, use the SHIFT [-] (Rec) key combination. Enter the radius and the angle separated by a comma, close the right parenthesis and press [=]

Be careful, the angle unit you use (radian or degree) will affect the result.

If you want to convert from polar to Cartesian coordinates, use the SHIFT [-] (Rec) key combination. Enter the radius and the angle separated by a comma, close the right parenthesis and press [=]

Be careful, the angle unit you use (radian or degree) will affect the result.

Feb 16, 2013 | Casio FX-115ES Scientific Calculator

The rule of thumb is no more than 2 ninety degree turns in a 50 foot radius, but the shorter the distance the better.

May 22, 2012 | Maytag Dryers

Hello,

You must have been taught the relation between the circumference (perimeter) of a circle, the radius and pi. Use it to calculate the perimeter. It is true for all circular figure.

Depending on what is really asked (the perimeter of the actual pool where you find the water, or the general pool area where no shoes are allowed)

**1st case:** use the radius that was given.

**2nd case: **the total radius is the radius given plus the width of the path.

If you do not have a formula for the perimeter that involves the radius, but have one that involves the diameter you can use it too, knowing that the diameter is twice the radius or the radius is one half of the diameter.

As you might have guessed I was not going to make things too easy for you by providing a ready-made answer, but I gave you** all the hints that will help you solve the problem**.

You must have been taught the relation between the circumference (perimeter) of a circle, the radius and pi. Use it to calculate the perimeter. It is true for all circular figure.

Depending on what is really asked (the perimeter of the actual pool where you find the water, or the general pool area where no shoes are allowed)

If you do not have a formula for the perimeter that involves the radius, but have one that involves the diameter you can use it too, knowing that the diameter is twice the radius or the radius is one half of the diameter.

As you might have guessed I was not going to make things too easy for you by providing a ready-made answer, but I gave you

Oct 11, 2009 | Mathsoft StudyWorks! Mathematics Deluxe...

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