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Help please. Write a formula for the perimeter of an equilateral triangle. Evaluate the formula for the side length of 3.5 cm.

Help please Write a formula for the perimeter of an equilateral triangle Evaluate the formula for the side length of 35 cm class=

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07alexpm

Answer:

A

Step-by-step explanation:

the side of the triangle is 3.5 cm. all 3 sides are the same length because it is an eq. triangle. 3.5*3=9+1.5=10.5

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