# Eq triangle minus arcs

In an equilateral triangle with a 2cm long side, the arcs of three circles are drawn from the centers at the vertices and radii 1cm. Calculate the area of the shaded part - a formation that makes up the difference between the triangle area and circular cuts.

## Correct answer:

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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:

**algebra**- intersection of sets
**planimetrics**- Pythagorean theorem
- right triangle
- circle
- area of a shape
- triangle
- circular arc

### Units of physical quantities:

### Grade of the word problem:

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