Concept explainers
To determine the distance between the swimmer’s head and the lifeguard’s head.
Answer to Problem 29PPE
The distance between the swimmer’s head and the lifeguard’s head is 10 ft.
Explanation of Solution
Given information :
Here we shall use the Pythagoras theorem.
According to Pythagoras theorem in any right angle
Here we can observe the formation of right angle triangle and the length of the legs are given.
Let the distance between the swimmer’s head and the lifeguard’s head be
Hence we put values,
Hence the required distance is 10 ft.
Chapter 10 Solutions
High School Math 2015 Common Core Algebra 1 Student Edition Grade 8/9
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