Question

the perimeter of an equilateral triangle of side 7 cm is __________

Answer 1

Answer:

21cm

Step-by-step explanation:

The equilateral triangle contains three sides of equal measure

so.. 7+7+7 = 21cm

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Answer 2

Answer:

21 cm

Step-by-step explanation:

an equilateral triangle has its all sides equal in measure

if triangle ABC is an equilateral triangle

then

AB=BC=AC=7CM

perimeter =AB+BC +AC

=7+7+7/

=21