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Bas_tet [7]
4 years ago
9

Step 4: By the definition of similar polygons, the lengths of corresponding sides are __________. This means that "OK" /"NL" " =

" "KM" /"LM" .
Substituting in the lengths, we get "12" /"8" " = " "20 + x" /"x" .
Cross multiply and solve the proportion for x.
Mathematics
1 answer:
san4es73 [151]4 years ago
6 0
The blank should be proportional.
\frac{12}{8}  =  \frac{20 + x}{x}  \\ 12x = 160 + 8x \\ 4x = 160 \\ x = 40
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