Concept explainers
To construct: The line segment and estimate its length with two different measuring units and compute the most precise unit of measurement.
Explanation of Solution
Given information:
A line segment of any measurement is to be constructed.
Graph:
Construct a line segment AB .
Take a measuring scale put the first end point that is A on zero of scale and measure the length of the line segment.
Choose the units of measurement as centimeters and inches.
Observe the end point of line segment.
The length of line segment AB is 4.9 centimeters.
Also the length of line segment is close to 2 inches but not exactly 2 inches.
Interpretation:
When the length of line segment is estimated with help of two measuring units that is centimeters and inches it is observed that the most precise measurement is when measured in centimeters that is 4.9 centimeters.
Since, it can’t be decided in inches what is the approximate length of segment.
Therefore, centimeter as a unit of measurement gives the most precise length.
Chapter CSB1.12 Solutions
Pre-Algebra, Student Edition
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