A) \[16\text{ }cm\]
B) \[18\text{ }cm\]
C) \[\text{20 }cm\]
D) \[\text{30 }cm\]
Correct Answer: B
Solution :
Let each equal side \[=5x\text{ }cm\] and the base = \[3x\text{ }cm\] then, \[5x+5x+3x=78\Rightarrow x=\frac{78}{13}=6\] Length of base \[=3\times 6=\]You need to login to perform this action.
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