An equilateral triangle with a perimiter of 21
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Answer:
The sides of the triangle are 7.
Step-by-step explanation:
The formula to compute the perimeter of a triangle is:
Here a, b and c are the sides of the triangle.
An equilateral triangle has all sides equal.
Given, the perimeter of an equilateral triangle is 21.
Compute the measure of the sides as follows:
Thus, the sides of the triangle are 7.
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perimeter of equilateral triangle is 21cm.
then, one side of the equilateral triangle is 21/3=7cm
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