Question

if pq = 11 and pr = 15, what is qr? write your answer as a decimal or integer.

Explanation:

Step1: Identify segment - length relationship

From the figure, we know that $PR=PQ + QR$.

Step2: Solve for $QR$

We can rewrite the equation as $QR=PR - PQ$. Substitute $PQ = 11$ and $PR = 15$ into the equation. So $QR=15 - 11$.

Answer:

4