Concept explainers
Tofind:The length of each side of the school crossing sign, if perimeter of the sign is given.
Answer to Problem 44E
The sides of the school crossing sign are
Explanation of Solution
Given information:
The perimeter of school crossing sign is 102 inches. The crossing sign diagram is given below:
Formulaused:
The perimeter of a regular diagram is equal to sum of its all sides.
Calculations:
The speed v (in cm/s) and time t (in sec) in is given by,
Conclusion:
The sides of the school crossing sign are
Therefore, the perimeter of the sign is
But perimeter of the sign is 102 inches.
The sides of the school crossing sign are
,
Conclusion:
The sides of the school crossing sign are
Chapter 1 Solutions
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