Question

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

Answer 1

Answer:

60cm

Step-by-step explanation:

Given: one side,x= 3cm

Sum of 20sides =20(x)

=20(3)

=60cm

Answer 2

The perimeter of closed shape has 20 equal sides is 60 cm

Step-by-step explanation:

Perimeter of figure = $\text{Number of sides} \times \text{Length of side}$

Number of sides = 20

Length of each side = 3 cm

So, Perimeter of closed shape =$20 \times 3 = 60 cm$

Hence The perimeter of closed shape has 20 equal sides is 60 cm

#Learn more:

In a parallelogram, if adjacent sides are 3cm and 4cm then its perimeter will be

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