3 years ago

If the aspect ratio of a chalkboard is 8:6 and the width is 9in, what is the length of the eraser?

1 answer:

KIM [24]3 years ago

6 0

I believe it's A. Sometimes you have to take an educated guess.

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svetoff [14.1K]

Ans=24
You need to use Pythagorean theorem.
A^2+b^2=c^2
X^2+32^2=40^2
X^2+1024=1600
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