Question

the side of an equalatreal triangle is 5cm. find its perimeter ​

Answer 1

$perimeter = 3 \times sides \\ = > 3 \times 5 \\ = > 15cm$

Answer 2

Answer:

perimeter=3×sides

=>3×5

=>15cm

the side of an equalatreal triangle is 5cm. Then its perimeter is 15 cm

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