Answer variants:
171.64
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170.64
An isosceles triangle has perimeter 60 \(m\) and each of the equal sides is 21 \(m\). Determine the third side and the area of the triangle. (Use \(\sqrt{10} = 3.16\))
Third side of the triangle \(=\) \(m\)
Area of the triangle \(=\) \(m^2\)
[Note: Round off your answer to two decimal places]