From a point P, Q is 5km due West and R is12km due South of Q. Find the distance between P and R.
- 5km
- 12km
-
13km
- 17km
The correct answer is: C
Explanation
Using Pythagoras theorem
PR\(^2\) = 5\(^2\) + 12\(^2\)
25 + 144 = 169
PR = √(169)= 13km
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