Mathematics: The perimeter of an equilateral triangle is 12 ft find the are of the triangle

The perimeter of an equilateral triangle is 12

Ответ:

zitterkoph

13.03.2022

Mathematics

For a side of length s, the area of an equilateral triangle is

... A = (√3)/4·s²

The perimeter is the sum of the three equal side lengths, so we have

... 12 ft = 3s

... 4 ft = s

Then the area is

... A = (√3)/4·(4 ft)²

... A = 4√3 ft² ≈ 6.928 ft²

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Ответ:

GreenHerbz206

21.09.2022

Mathematics

No. In order to not intersect with a line, the other line must be parallel to it. But if two lines intersect. It's not possible for a new line to be parallel to both of them.

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The perimeter of an equilateral triangle is 12 ft find the are of the triangle

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