A roll of fabric is 12 yards long. A salesperson cuts three pieces off the roll measuring 234yd, 513yd, and 115yd. Approximately what percentage of the roll of fabric remains?

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step-by-step explanation:

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step-by-step explanation:

this can be solved first with pythagorean theorem, which tells us to square both legs of the triangle and sum it. this will be equal to the square of the hypotenuse.

the hypotenuse is the side "opposite" the 90 degree angle, which is x.

so we can write using pythagorean theorem,

simplifying:

to further simplify this radical, we need to use the property  

thus

13664

step-by-step explanation:

=cross multiply

=100 x = 13664