UPSKILL MATH PLUS
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Learn more1. If \(ABC\) is a triangle of sides \(AB =\) 12 \(cm\), \(BC =\) 14 \(cm\) and \(CA =\) 16 \(cm\), then find the semi-perimeter.
Semi-perimeter \(=\) \(cm\).
2. If \(ABC\) is a triangle of sides \(AB =\) 11 \(m\), \(BC =\) 13 \(m\) and semi-perimeter \(=\) 19 \(m\), then find the missing side of the triangle.
\(CA =\) \(m\).
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