A line segment joins points P(-1, -7) and Q (7, 3) Determine the length of PQ to 1 decimal place?
1 answer:
Answer:
12.8 units
Step-by-step explanation:
PQ=(X2-X1)²+(Y2-Y1)²
=(7-(-1))²+(3-(-7)
=164
then find square root of 164 that gives you 12.8units
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