
Express as a Function. | Math Help Forum
Jun 27, 2011 · A rectangle has area 64 m2. (a) Express the perimeter of the rectangle as a function of the length (L) of one of its sides. I came up with A (L) = 2x +...
Perimeter of a circle as a limit of inscribed regular sided polygon
Sep 9, 2024 · Show that the perimeter Pn of an n-sided regular polygon inscribed in a circle of radius r is P n = 2 n r sin (π n) Find the limit of Pn as n approaches ∞ My attempt: The sum of …
Rectangular Package | Math Help Forum
Oct 4, 2010 · A Rectangular package sent by a delivery can have a maximum combined length and girth (perimeter of a cross section) of 120 inches. Here, there is a picture, which is a 3D …
Changing dimension in a rectangle - Math Help Forum
Oct 16, 2006 · so where do i start for this problem? the length l of a rectangle is decreasing at the rate of 2 cm/sec while the width w is increasing at the rate of 2 cm/sec. when l=12cm and w= …
Norman window problem - Math Help Forum
Aug 31, 2008 · A Norman window has the shape of a rectangle surmounted by a semicircle. If the perimeter of the window is 38 ft, express the area A of the window as a function of the width x …
Upper and Lower Bounds - Math Help Forum
Mar 9, 2010 · To granddad Really sorry if i am getting back to you on this. For the first question perimeter of square , the data was the following: Upper bound perimeter=27.26cm Lower …
find the the dimensions of x and y | Math Help Forum
Dec 3, 2009 · a. Find a formula for the area b. find a formula for the perimeter c. find the dimensions x and y that maximize the area given that the perimeter is 100 . * See attachment …
Domain of a rational function | Math Help Forum
Aug 27, 2011 · A rectangle has area 16 m2. Express the perimeter of the rectangle as a function of the length L of one of its sides.
Area of a Regular Pentagon | Math Help Forum
Feb 28, 2010 · The perimeter of the building has the shape of a regular pentagon with each side of length 921 ft. Find the area enclosed by the perimeter of the building.
Finding a rule, domain and area. | Math Help Forum
Feb 12, 2011 · The dimensions of an enclosure are shown. The perimeter of the enclosure is 160m. a) Find a rule for the area, A m^2, of the enclosure in terms of x. b) State a suitable …