UPSKILL MATH PLUS

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Answer variants:
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]