Question

The perimeter of an equilateral triangle is 45cm. Find the length of each side of the equilaeral triangle.

Answer 1

Answer:

Since area of a equilateral triangle= 45 cm

Step-by-step explanation:

Since all sides of a equilateral triangle are equal.

A triangle has 3 sides

m(triangle) single side= Area of equilateral triangle ÷ number of sides of triangle = 45÷3=15

So the m(of a side of a equilateral triangle) = 15 cm

Answer 2

Perimeter of an equilateral triangle is 45cm .

Perimeter of triangle = 3 × s

=> 45cm = 3s

=> s = 45/3 cm

=> s = 15 cm

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