4. Parallel Lines and Proportional Parts
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Recall the Proportional Parts of Parallel Lines Theorem.
891 ft
We are given a part of the Charleston map. We want to find the distance from Smith Street to Logan Street along Beaufain Street. Let x be that distance. Now, let's take a look at the given map and label the vertices with consecutive letters.
Proportional Parts of Parallel Lines Theorem |
If three or more parallel lines intersect two transversals, then they cut off the transversals proportionally. |
Substitute values
Cross multiply
Multiply
.LHS /733.=.RHS /733.
Round to nearest integer