The length of a rectangle is $3 m$ and breadth $400 c m$ .
Find its perimeter.

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Solution

Step 1. Given measures
Length $= 3 m$
$= 3 \times 100 c m = 300 c m$
Breadth $= 400 c m$
Step 1.Finding Perimeter of rectangle
Perimeter of rectangle $= 2 \times (l e n g t h + b r e a d t h)$
$= 2 \times (300 + 400)$
$= 1400 c m$
Hence the Perimeter of rectangle is $1400 c m$

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