Find the perimeter $P$ of an equilateral triangle if side $a = 2.5 cm$ .

Answer

$7.5 cm$

Explanation

To find perimeter $P$ use formula:

P = 3 \cdot a

After substituting $a = 2.5 cm$ we have:

P = 3 \cdot 2.5 cm

P = 7.5 cm

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Find the perimeter P of an equilateral triangle if side a=2.5cm.

7.5cm

Find the perimeter $P$ of an equilateral triangle if side $a = 2.5 cm$ .

$7.5 cm$