christiansenmeredith christiansenmeredith

03-09-2021
Mathematics

contestada

The perimeter of the equilateral triangle represented the expression 21x + 15. The perimeter is 78 units. Find the value of x and the length of each side.

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ngulampososplendide ngulampososplendide

06-09-2021

Answer: x=42

Step-by-step explanation:

side1=15

side2=21

side3=42

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