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What is the perimeter of an equilateral triangle of side a units?
  • a)
    2a + b units
  • b)
    3a units
  • c)
    a + b + c units
  • d)
    a + 2b units
Correct answer is option 'B'. Can you explain this answer?
Most Upvoted Answer
What is the perimeter of an equilateral triangle of side a units?a)2a ...
Yes becoz as we know equilateral triangle have all equal sides so .....it is a...ot has 3 side then a+a+a=3a
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Community Answer
What is the perimeter of an equilateral triangle of side a units?a)2a ...
Perimeter of an Equilateral Triangle:
An equilateral triangle is a special type of triangle in which all three sides have the same length. The perimeter of any polygon is the sum of the lengths of all its sides.

Formula:
To find the perimeter of an equilateral triangle, we can use the formula:
Perimeter = 3 * side length (a)

Explanation:
Let's consider an equilateral triangle with side length 'a' units.

Identify:
Side length of the equilateral triangle = a units

Calculate:
To find the perimeter, we need to add the lengths of all three sides. Since all sides have the same length, we can simply multiply the side length by 3 to get the perimeter.

Perimeter = 3 * a

Answer:
Therefore, the perimeter of an equilateral triangle with side length 'a' units is 3a units, which is option B.
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