From a point P, Q is 5km due West and R is12km due South of Q. Find the distance between P and R.
-
A.
5km -
B.
12km -
C.
13km -
D.
17km
Correct Answer: Option C
Explanation
Using Pythagoras theorem
PR(^2) = 5(^2) + 12(^2)
25 + 144 = 169
PR = √(169)= 13km
There is an explanation video available below.