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What is the perimeter of each of the following figures? What do you infer from the answers?
"
To do: We have to find the perimeter of each of the given figures.
Solution:
We know that,
Perimeter is defined as the length of the outline of a shape.
To find the perimeter of a figure, just add the lengths of all the sides of the figure.
Therefore,
(a) In the given figure,
Sum of the sides $=25+25+25+25$
$=100\ cm$
(b) In the given figure,
Sum of the sides $= 10+40+10+40$
$=100\ cm$
(c) In the given figure,
Sum of the sides $= 30+20+30+20$
$=100\ cm$
(d) In the given figure,
Sum of the sides $= 30+40+30$
$= 100\ cm$
All the given figures have same perimeter.
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