The area of equilateral triangle is numerically equal to its perimeter, then its perimeter correct to 2 decimal places is 20.78 units
Question
Solution 1
The problem states that the area of an equilateral triangle is numerically equal to its perimeter.
The formula for the area of an equilateral triangle is √3/4 * side^2 and the formula for the perimeter is 3 * side.
So, we can set up the equation as follows:
√3/4 * side^2 = 3 * side
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