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  1. Higher Math - Calculating the Minimum Perimeter of a Triangle

    Oct 12, 2012 · Give a point (a,b) with 0 < b < a determine the minimum perimeter of a triangle with one vertex at (a,b), one on the x-axis, and one on the line y = x.

  2. 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 +...

  3. 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 …

  4. 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 …

  5. 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= …

  6. Circle Geometry: Circles in A Equilateral Triangle

    Jul 17, 2010 · 1 Feb 20, 2013 A perimeter of a quarter circle and two equilateral triangles andyboy179 Apr 7, 2011 Geometry 11 Apr 8, 2011

  7. 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 …

  8. 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 …

  9. 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 …

  10. 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 …