
Higher Math - Calculating the Minimum Perimeter of a Triangle
Oct 12, 2012 · No triangle exists that minimizes that condition. However, the infinum of the perimeters of all such triangles = twice the distance from (a,b) to the line y = x. That's just an …
Perimeter of Athletic Lanes | Math Help Forum
Jul 1, 2009 · An athletic track has four lanes. The lanes are 1 metre apart. If the inside lane is exactly 400 m, with 100m straights, find the lengths of the other three lanes. Can I please have …
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 …
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?
Surveying Property (Law of Sines) | Math Help Forum
Apr 22, 2012 · Then did the math, and since it asked for the perimeter I added all 3 sides after i used law of sines to find the sides. Basically I got a really big answer, (the answer is 1425 ft). …
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 …
Use the figure to find the approximate perimeter of RSTU.?
Sep 6, 2009 · Use the figure to find the approximate perimeter of RSTU. A) 72.5 in. B) 73.6 in. C) 72.0 in. D) 73.0 in. E) 71.8 in. B you have to find the length of the sides first ...
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 …
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= …