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A window problem 2020-08-18
Richard pose la question :
Hello,
I was hoping your math specialists could help me with some formulas. I have shapes with specific known variables need to calculate others.  

Example:
We make a straight legged arch, This shape has a width a overall height and a leg height, The leg height is always less then the overall, And the top is arched. We have the width, Height, and leg size.

  Need to calculate the length of the curve and sq ft of the shape.

Harley Weston lui répond.
An arched window 2017-07-24
Gerry pose la question :
Looking to make a full size template for an arched window. Need increments every 16". The radius is 138' 0 9/16" , the chord is 226" and the rise at center of chord is 43"
Penny Nom lui répond.
Rolls of window film 2014-02-14
Travis pose la question :
This question is probably close to the same question as "roll of paper"

We have Rolls of Window Film that we are trying to figure out an equation for a spreadsheet that we can use to "inventory" our window film.

We use a caliper tool to measure the thickness of the roll in millimeters.

the core thickness = 1.90mm
Full Roll thickness(including core) = 9.08mm to 9.12mm
Film thickness = 0.06

Full Roll of Film is supposed to average 1200" of film

What equation could we use to get the approximate inches left remaining on the roll if we measured the roll including the core with the Caliper tool in Millimeters?

Harley Weston lui répond.
An arched or round top window 2009-04-07
Dale pose la question :
I need a formula to figure the lineal footage of trim require to trim an arched or round top window. The variables that I have consist of the width of the window the height of the arc and the radius.
Harley Weston lui répond.
A maximum area problem 2009-01-13
Kylie pose la question :
Help me please! I don't know how or where to start and how to finish. The problem is: A window has the shape of a rectangle surmounted by a semicircle. If the perimeter of the window is 15 ft., find the dimensions that will allow the maximum amount of light to enter.
Harley Weston lui répond.
A bay window 2008-10-30
Scott pose la question :
Given the length of an arc, the rise of an arc, and the number of segments that I need to divide the arc into - how do I determine the length of each segment? Imagine a bay window. It could have 5 side or 7 sides, just as an example. How do I determine the width of each window given that the unit will be mounted into a frame with a 96 inch opening. The rise of the unit will extend out 18 inches. Lets say that the number of single windows unit within the unit is 5. How wide should each window be? Do you understand?
Harley Weston lui répond.
The area of an arched transom 2008-09-28
Ivan pose la question :
What is the formula for figuring out the square footage of arched transom windows & doors?
Harley Weston lui répond.
A Norman window 2008-02-25
Jason pose la question :
If the perimeter of a Norman window is 20 feet, what is the maximum area of the window?
Stephen La Rocque lui répond.
A Norman window 2006-11-30
Joe pose la question :
a norman window is a rectangle with a semicircle on top. If a norman window has a perimeter of 28, what must the dimensions be to find the maximum possible area the window can have?
Stephen La Rocque lui répond.
A picture window 2005-11-14
Marcos pose la question :
The length of a picture window is 2 feet longer than twice its width. If the diagonal of the window is 13 feet, find the dimensions of the window.
Penny Nom lui répond.
A stained glass window 2004-03-29
Kay pose la question :
I'm doing a stain glass project and it's on a 4 foot across octagonal window...and I'm trying to set up the pattern and I don't know how long the sides are!
Penny Nom lui répond.
A max/min problem 2002-09-21
Evelina pose la question :
A window is the shape of a rectangle with an equilateral triangle on top. The perimeter of the window is 300 cm. Find the width that will let the maximum light to enter.
Penny Nom lui répond.
A Norman window 2001-10-04
Erin pose la question :
A Norman window has the shape of a rectangle surmounted by a semicircle. If the perimeter of the window is 30 ft, express the atrea, A, as a function of the width x of the window.
Penny Nom lui répond.
Distance between the windows 1999-09-19
Lawrence pose la question :
An observer on level ground is at distance d from a building. The angles of elevation to the bottom of the windows on the second and third floors are a and b respectively. Find the distance h between the bottoms of the windows in terms of a b and d
Harley Weston lui répond.
 
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