To find: the straight-line distance between Li’s home and her office.
The straight distance between Li’s home and her office is
Given:
It is given that Li must drive around a lake. She drives
Calculation:
Let the Li’s home at the origin. She starts her journey from origin and the trajectory that she followed for her office is shown below:
Now, calculating the straight line distance between her home and office using the distance formula as:
where,
So, the distance from her home to her office is:
Hence, the straight-line distance between Li’s home and office is
Chapter 8 Solutions
Holt Mcdougal Larson Algebra 2: Student Edition 2012
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