If the length of each side of a polygon of five sides is equal to 5 cm, then its perimeter is .

25 cm

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30 cm

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20 cm

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Solution

The correct option is A 25 cm

The above five-sided polygon is called a pentagon.

The perimeter of a shape is the sum of the lengths of its sides.

$∴ Perimeter = 5 cm + 5 cm + 5 cm +$
$5 cm + 5 cm$
$= 25 cm$

That is, the perimeter of the polygon is 25 cm.

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If the length of each side of a polygon of five sides is equal to 5 cm, then its perimeter is .

The correct option is A 25 cm The above five-sided polygon is called a pentagon. The perimeter of a shape is the sum of the lengths of its sides. ∴Perimeter=5 cm+5 cm+5 cm+ 5 cm+5 cm =25 cm That is, the perimeter of the polygon is 25 cm.

The correct option is A 25 cm

The above five-sided polygon is called a pentagon.

The perimeter of a shape is the sum of the lengths of its sides.

$∴ Perimeter = 5 cm + 5 cm + 5 cm +$
$5 cm + 5 cm$
$= 25 cm$

That is, the perimeter of the polygon is 25 cm.