Math CentralQuandaries & Queries


Question from Kimi, a student:

A quilt square is stitched along each diagonal to make 4 right triangles.
Each diagonal is 12 inches long. ( 1 foot)

How many quilt squares can be cut from a piece of fabric that is 8 feet long and 2 feet wide??

Hi Kimi,

I would first convert all the measurements to inches.

Here is my quilt square, it has a side length of s inches.

quily square

Look at the bottom right triangle. It has two sides of length 6 inches each and a hypotenuse of length s inches. Use Pythagoras theorem to find s. How many squares of side length s inches can you cut from your piece of fabric?



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