A) 15 metres
B) 20 metres
C) \[10\,(1+\sqrt{2})\]metres
D) \[10\,\left( 1+\frac{\sqrt{3}}{2} \right)\]metres
Correct Answer: C
Solution :
Obviously, the length of the tree is equal to \[10+10\sqrt{2}=10\text{ }(1+\sqrt{2})m\].You need to login to perform this action.
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