# Equilateral 37341

Calculate an equilateral triangle's perimeter and area with a side of 20 dm.

## Correct answer:

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The Pythagorean theorem is the base for the right triangle calculator.

Calculation of an equilateral triangle.

See also our trigonometric triangle calculator.

Calculation of an equilateral triangle.

See also our trigonometric triangle calculator.

### You need to know the following knowledge to solve this word math problem:

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