A closed shape has 20 equal sides and one of its sides is 3 cm. Find its perimete

A closed shape has 20 equal sides and one of its sides is 3 cm. Find its perimeter

Sum

Number of equal sides in the shape = 20

One of its side = 3 cm

Perimeter = length of one side × Number of equal sides

∴ Perimeter = (3 × 20) cm

= 60 cm

∴ Perimeter = 60 cm

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Perimeter and Area of Combined Shapes

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Chapter 3: Perimeter and Area - Exercise 3.2 [Page 53]

Chapter 3 Perimeter and Area
Exercise 3.2 | Q 6 | Page 53

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