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Q: What is the area of the equilateral triangle having a perimeter of 18?

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Perimeter of equilateral triangle: 24 units Area of equilateral triangle: 27.713 square units rounded to three decimal places

62.354 inches2

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It is the perimeter of a triangle times the length of the prism (in square units).

No. The maximum are is attained when it is equilateral and that is less than 7 cm2

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Perimeter of equilateral triangle: 24 units Area of equilateral triangle: 27.713 square units rounded to three decimal places

21.20

You cannot. For a given area, an equilateral triangle will have the smallest perimeter but that perimeter can be increased - without limit - without increasing the area.

23.666666666666666666666666666667 feet

The minimum perimeter is when the triangle is an equilateral triangle. The perimeter of any other triangle with the same area will be longer. In the case of an equilateral triangle area = (√3)/4 × side² → side = √(4×6.5 cm²/√3) → perimeter = 3 × side = 3 × √(4×6.5 cm²/√3) ≈ 11.62 cm → The triangle has a perimeter greater than or equal to approx 11.62 cm.

Find the area of an equilateral triangle that has a perimeter of 21 inches. Round the answer to one decimal place.

3.897 square inches.

62.354 inches2

It is the perimeter of a triangle times the length of the prism (in square units).

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The base is one third of the perimeter, half of the base times the height is the area.

the perimeter is 36 and the area is 144

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