
Perimeter of a circle as a limit of inscribed regular sided polygon
Sep 9, 2024 · Canada Discussion Starter Sep 9, 2024 #1 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 …
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 …
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 …
SOLVED - Percentage increase in area of rectangle given increase …
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...
Relationship between Area of Square and Rectangle - Math Help …
Nov 3, 2009 · The perimeter of the square has length 160 mm. How much longer is the perimeter of the rectangle than the perimeter of the square? (b) Same question but this time the …
[SOLVED] Maximization of pentagon area... | Math Help Forum
Oct 18, 2009 · A pentagon is formed by placing an isosceles triangle on a rectange. If the pentagon has fixed perimeter P, find the lengths of the sides of the pentagon that maximize …
Perimeter of right triangle with inscribed circle
May 14, 2015 · Question: The radius of the inscribed circle is 5. If the length of the hypotenuse of the right triangle ABC is 19, what is the perimeter of the triangle?
Perimeter of a rectangle. - Math Help Forum
May 29, 2010 · How would I find the answer to... A rectangular flat-screen computer monitor has a diagonal that measures 20 inches. The ratio of the length of the screen to the width of the …
Divide a square into 7 equal parts - Math Help Forum
Dec 7, 2007 · Can you help me devide a square into seven equal parts? Each having the same amount of perimeter and the same area? It seems like everything I do I just end up with 8 …
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 …