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  1. 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 …

  2. 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 …

  3. 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 +...

  4. Perimeter - Math Help Forum

    Oct 5, 2008 · How would I solve this? "The perimeter of a rectangle is 40 cm. If the length were doubled and the width halved, the perimeter would be increased by 16cm. Find the …

  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. 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 …

  7. 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...

  8. perimeter - Math Help Forum

    Nov 1, 2009 · Tekleed T L Perimeter of a circle as a limit of inscribed regular sided polygon Last_Tomato Sep 9, 2024 Calculus Replies 3 Views 794 Calculus Sep 11, 2024 CaptainBlack …

  9. 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.

  10. 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 …