Byrd Mccarthy
11/23/2023 · High School
int \( Q \) is on line segment \( \overline{P R} \). Given \( P R=16 \) and \( P Q=4 \), determine the length \( \overline{Q R} \).
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Tutor-Verified Answer
Step-by-step Solution
To find the length of \( \overline{Q R} \), we start with the information given:
- The total length of segment \( \overline{P R} \) is \( PR = 16 \).
- The length of segment \( \overline{P Q} \) is \( PQ = 4 \).
Since point \( Q \) is on the line segment \( \overline{P R} \), we can express the length of segment \( \overline{Q R} \) in terms of the lengths of \( \overline{P R} \) and \( \overline{P Q} \).
Using the relationship between the segments, we have:
\[
PR = PQ + QR
\]
Substituting the known values into the equation:
\[
16 = 4 + QR
\]
To isolate \( QR \), we subtract \( 4 \) from both sides:
\[
QR = 16 - 4
\]
Calculating the right side gives:
\[
QR = 12
\]
Thus, the length of \( \overline{Q R} \) is
\[
\boxed{12}
\]
Quick Answer
The length of \( \overline{Q R} \) is 12.
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