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9cm 4. 5cm 12 см.
find the perimeter and the area of the above figures ​

User Ayohaych
by
7.2k points

2 Answers

1 vote

If sides are

  • 9cm
  • 4.5cm
  • 12cm


\\ \sf\longmapsto Perimeter=Sum\:of\:sides


\\ \sf\longmapsto Perimeter=9+4.5+12


\\ \sf\longmapsto Perimeter=13.5+12


\\ \sf\longmapsto Perimeter=25.5cm

User Roberto Rodriguez
by
8.8k points
3 votes


\large\begin{gathered} {\underline{\boxed{ \rm {\purple{Perimeter\:_((Triangle) \: \large= \large\:Sum \: of \: all \: sides)}}}}}\end{gathered}

  • Sides of triangle are 9cm , 4.5cm and 12cm.


\large\bf{\red{ \longrightarrow}} \tt \: \:9 \: cm \: + \: 4.5 \: cm \: + \: 12 \: cm


\large\bf{\red{ \longrightarrow}} \tt \: \:13.5 \: cm \: + \: 12 \: cm


\large\bf{\red{ \longrightarrow}} \tt \: \:25.5 \: cm

Hence , the perimeter of triangle is 25.5 cm

User Jackar
by
8.2k points
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