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Math TN
9th Std
Ch-7: Mensuration
2.
The semi-perimeter of a triangle
Exercise condition:
1
m.
The semi-perimeter of a triangle having sides \(15 \ cm\), \(20 \ cm\) and \(25 \ cm\) is:
\(60 \ cm\)
\(45 \ cm\)
\(30 \ cm\)
\(15 \ cm\)
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