halfpipe1242p5b79v halfpipe1242p5b79v

09-03-2018
Mathematics

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How do you find the value for x in the problem?

How do you find the value for x in the problem class=

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sqdancefan sqdancefan

12-03-2018

Make use of the fact that side lengths in similar triangles are proportional.
.. 30/18 = (20 +x)/20
.. 20*(30/18) -20 = x . . . . multiply by 20, subtract 20
.. 33 1/3 -20 = x . . . . . . . . evaluate the product
.. 13 1/3 = x

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