Find the perimeter of a rectangle ...

Find the perimeter of a rectangle whose length is 40cm and diagonal is 41cm.
  • 2 answers

Naren S 1 year, 4 months ago

Breadth is 9 CM. So perimeter is equal to 98 cm

P Rana 1 year, 4 months ago

For ■ABCD: Diagonal =41 cm L=40cm According to Pythagoras theorem BCsq=ABsq+ACsq Thus 41sq=ABsq +40sq 1681=ABsq+1600 ABsq=1681-1600 =81 square root =9cm.Ans.

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