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Perimeter of Regular Shapes

The perimeter...

Question

The perimeter of an equilateral triangle of side 6 cm is ___ cm.

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Solution

In an equilateral triangle, all the three sides are equal.
Given: Each side of the equilateral triangle is 6 cm long.
Perimeter = Side + Side + Side
= 6 cm + 6 cm + 6 cm
= 18 cm

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