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