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  1. 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 …

  2. 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 …

  3. 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 …

  4. 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 …

  5. perimeter - Math Help Forum

    Nov 1, 2009 · Two unequal circles (radius x and y, x > y) are touching each other. A rubber band is passed around both of them. What would be the length of the rubber band?

  6. Area of a Regular Pentagon | Math Help Forum

    Feb 28, 2010 · The perimeter of the building has the shape of a regular pentagon with each side of length 921 ft. Find the area enclosed by the perimeter of the building.

  7. 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 …

  8. 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 …

  9. 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 …

  10. [SOLVED] SAT math page 656 | Math Help Forum

    Sep 28, 2008 · In the figure below, PQRS is a rectangle, and points Q and R lie on the graph of y=ax^2, where a is a constant. If the perimeter of PQRS is 10, what is the value of a ...