Question : In an isosceles triangle, if the ratio of the equal side and unequal side is 5 : 7 and its perimeter is 34 cm, then what is the length of the equal side?
Option 1: 14 cm
Option 2: 18 cm
Option 3: 10 cm
Option 4: 34 cm
Correct Answer: 10 cm
Solution :
Let the ratio of equal side and unequal side be
According to the question,
⇒
⇒
The length of equal sides =
Hence, the correct answer is 10 cm.