
Summing areas of squares - Math Help Forum
Apr 14, 2008 · A square S1 has a perimeter of 40 inches. The vertices of a second square S2 are the midpoints of the sides of S1. The vertices of a third square S3 are the midpoints the sides …
SOLVED Percentage increase in area of rectangle given increase in …
Aug 29, 2010 · One side of a rectangle is three times the other. If the perimeter increases by 2%, what is the percentage increase in area? I've started with these few lines: Perimeter, P = 2x + …
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 …
Relationship between Area of Square and Rectangle
Nov 3, 2009 · How much longer is the perimeter of the rectangle than the perimeter of the square? 40mm (b) Same question but this time the perimeter of the square is L mm and the …
Higher Math Calculating the Minimum Perimeter of a Triangle
Oct 12, 2012 · Hey there sorry if this is in the wrong thread, but I need some help with this problem I'm stuck on. Give a point (a,b) with 0 < b < a determine the minimum perimeter of a …
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, <== I can't see …
Cubic Function of a Cylinder | Math Help Forum
Oct 4, 2009 · A rectangular piece of sheet metal with perimeter 50cm is rolled into a cylinder with open ends. a) Express the volume of the cylinder as a function of x. Then give the domain of …
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}= 2n r \sin(\frac{\pi}{n}) Find the limit of Pn as n approaches ∞ My attempt: The …
Maximizing Area & Differentials | Math Help Forum
Dec 16, 2007 · A window consists of an open rectangle topped by a semicircle and is to have a perimeter of 288 inches. Find the radius of the semicircle that will maximize the area of the …
Upper and Lower Bounds - Math Help Forum
Mar 9, 2010 · 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 bound …