Dallas A triangle can be formed by drawing line segments on a map of Texas connecting the cities of Dallas, Houston, and San Antonio (see figure). 3.75 in Area of detail 4.125 in Houston 3 in San Antonio If the actual distance from San Antonio to Houston is approximately 194 miles, use the lengths of the line segments indicated in the figure along with similar triangles to approximate a. the actual distance from Dallas to Houston. b. the actual distance from Dallas to San Antonio.

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