A) 12cm.
B) 14cm.
C) 17cm.
D) 25cm.
Correct Answer: B
Solution :
Let the second side of triangle be x cm. \[\therefore \] First side \[=2x\text{ }cm.\] Third side \[=(x+11)\,cm.\] \[\therefore \] Perimeter of triangle = 67 cm. \[\Rightarrow \] \[2x+x+x+11=67\] \[\Rightarrow \] \[4x=67-11=56\]You need to login to perform this action.
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