# Circle section

An equilateral triangle with side 33 is an inscribed circle section whose center is in one of the triangle's vertices, and the arc touches the opposite side.

Calculate:

a) the length of the arc

b) the ratio between the circumference to the circle sector and the perimeter of the triangle

Calculate:

a) the length of the arc

b) the ratio between the circumference to the circle sector and the perimeter of the triangle

### Correct answer:

Tips for related online calculators

See also our 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.

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