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Usually the angle of winder treads, I assume that is what youare talking about, is 30degrees as there are 3 treads to get round a 90degree turn.

The important thing from a saftey point of view is not to run the treads to a point but leave about 75mm /3 inches of tread at the narrowest part. more if you can work it and find the room

Posted on Jun 03, 2010

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Posted on Jan 02, 2017

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In any right angled triangle, for any angle:

- The sine of the angle = the length of the opposite side. the length of the hypotenuse.
- The cosine of the angle = the length of the adjacent side. the length of the hypotenuse.
- The tangent of the angle = the length of the opposite side. the length of the adjacent side.

Mar 16, 2017 | Office Equipment & Supplies

Assuming that the angle at A is the right angle, Pythagoras' theorem says that the length of the hypotenuse (the side opposite the right angle) is the square root of the sum of the squares of the other two sides. In your case, AB and AC are 'the other two sides' and BC is the hypotenuse, so:

__ __ __ __

/ 2 2 /

length BC = V 10 + 20 = V 100 + 400

__ __

= V 500 = 22.36 cm

(To find the angle at C, you need trigonometry and is arc-tan(10/20)

and the angle at B is arc-tan(20/10) - 26.5 deg and 63.5 deg)

/ 2 2 /

length BC = V 10 + 20 = V 100 + 400

= V 500 = 22.36 cm

(To find the angle at C, you need trigonometry and is arc-tan(10/20)

and the angle at B is arc-tan(20/10) - 26.5 deg and 63.5 deg)

Oct 17, 2014 | Computers & Internet

O^2 + A^2 = H^2 where

Opposite side

Adjacent side

Hypoteneuse

Opposite side

Adjacent side

Hypoteneuse

Oct 17, 2014 | Computers & Internet

About 3.54 cm (the square root of 12.5).

Jan 15, 2014 | Texas Instruments TI-83 Plus Calculator

About 3.54 cm.

Jan 15, 2014 | Texas Instruments TI-84 Plus Calculator

no calculator on me but the answer is tan(100/134.5) because tangent = a/b and b is always the letter opposite of the angle

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

The tangent of an angle (in a right triangle) is defined to be the length of the side opposite the angle, divided by the length of the side adjacent to the angle (that is not the hypoteneuse). As the angle approaches 90 degrees, the length of the opposite side gets very large and the length of the adjacent side nears 0. At 90 degrees, the length of the adjacent side is 0, and division by 0 is not defined, so the tangent of 90 degrees is not defined.

Nov 26, 2010 | Texas Instruments World of Mathematics...

Formulas relating to right angled triangles are:

Sine = perpendicular divided by hypotenuse

Cosine = base divided by hypotenuse

Tangent = perpendicular divided by base

Sine Tangent and Cosine functions are all available in Excel

Sine = perpendicular divided by hypotenuse

Cosine = base divided by hypotenuse

Tangent = perpendicular divided by base

Sine Tangent and Cosine functions are all available in Excel

Aug 08, 2010 | Microsoft Excel for PC

Use a framing square with a set of angle gages (or stops) on it. The protractor can be used but it will take a lot of flipping and changing. The normal settings are 8" rise and 10" tread.

Oct 18, 2009 | General Tools 17 Square Head Protractor

height =50

length = 60

angle=x

tangent(x)=50/60

tangent(x)=0.833

x=39.8 degree

length = 60

angle=x

tangent(x)=50/60

tangent(x)=0.833

x=39.8 degree

Mar 01, 2009 | Super Tutor Trigonometry (ESDTRIG) for PC

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