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Byju's Answer
Standard IV
Mathematics
Perimeter of Irregular Shapes
Match the pol...
Question
Match the polygons to their corresponding perimeters.
A
22 cm
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B
20 cm
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C
24 cm
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Solution
Perimeter of a polygon is the sum of the lengths of all sides of the polygon.
The perimeter of the above triangle is given by the sum of the lengths of its three sides.
Perimeter
=
5
cm
+
7
cm
+
8
cm
=
20
cm
Similarly, the perimeter of the above shape is
5
cm
+
6
cm
+
5
cm
+
8
cm
=
24
cm
.
Perimeter
=
4
cm
+
2
cm
+
1
cm
+
5
cm
+
3
cm
+
7
cm
=
22
cm
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