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21
149.6
150.6
20
An isosceles triangle has perimeter 56 \(cm\) and each of the equal sides is 18 \(cm\). Find the third side and the area of the triangle. (Use \(\sqrt{14} = 3.74\))
Third side of the triangle \(=\) \(cm\)
Area of the triangle \(=\) \(cm^2\)
[Note: Round off your answer to two decimal places]
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