A) \[12\,m\]
B) \[17\,m\]
C) \[10\,m\]
D) \[9\,m\]
Correct Answer: B
Solution :
| \[PR=PQ+QR\] |
| \[=x+QR=13+4=17\,m\] |
| So, option [b] is correct. |
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